Reverse osmosis system deals(Disclaimer)
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🏅 147 reverse osmosis systems in price comparison
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💶 Current offers and discounts
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🕝 Last updated on 10.10.2026
36% discount
APEC Water ROES-PH75, 6-Stage Under Sink RO System, Alkaline, 75 GPD
Supreme quality – designed and engineered with only premium components to ensure high quality filtration and a durable reverse osmosis system for years
$ 189.99
$ 294.99
To the offer
19% discount
Waterdrop G3P600 Tankless Reverse Osmosis Water Filter System, 600 GPD
[Trusted certifications]: Waterdrop G3P600 reverse osmosis system is certified against NSF/ANSI 58 for TDS reduction and NSF/ANSI 372 certified for lead-free material. Also it has been tested and certified against NSF 42 to reduce chlorine, bad taste and odor. The tankless reverse osmosis system is also certified by the Federal Communications Commission. Besides, it meets the EU Standards and UKCA Standards for safety
$ 439.00
$ 539.00
To the offer
20% discount
iSpring RCC7AK-BN NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink Patented Top-Mounted Faucet Design for Easy Installation
PATENTED DESIGN – The top-mounted fastener allows for easy countertop installation entirely from above, eliminating the hassle of tightening the nut from underneath the sink.
$ 188.81
$ 234.99
To the offer
26% discount
Waterdrop T3-T Remineralization Reverse Osmosis System, 220 GPD Faster Flow
[NSF/ANSI 372 Certified, Lead-Free Safety]: Certified to NSF/ANSI 372 standards, this system is made with lead-free materials to ensure safe and reliable drinking water for your family
$ 169.99
$ 229.99
To the offer
20% discount
iSpring RCC7-BN NSF Certified, High Capacity Under Sink 5-Stage Reverse Osmosis Water Filter, RO Drinking System, 75 GPD Brushed Nickel Faucet, Patented Top-Mounted Faucet Design for Easy Installation
EFFECTIVELY REDUCES CONTAMINANTS - The iSpring RO system delivers clean, pure, and great-tasting drinking water by removing up to 99% of over 1,000 harmful contaminants, including PFAS, chlorine, fluoride, lead (up to 98%), arsenic, asbestos, calcium, and sodium. It also reduces TDS by 80-90% and reduces hard water minerals that cause scale buildup.
$ 175.94
$ 219.99
To the offer
25% discount
Waterdrop T3-C RO Water Filtration System, Plug-in Required, 450 GPD
Advanced 8-Stage Filtration: The Waterdrop Reverse Osmosis Water Filter — WD-T3-C uses advanced 8-stage filtration to reduce heavy metals, chlorine, PFOA & PFOS with a 0.0001μm RO membrane — delivering pure, great-tasting water every time. *Tested by a third-party laboratory.
$ 209.99
$ 279.99
To the offer
10% discount
DREO Reverse Osmosis Water Filter System Countertop, RO Water Filter 112 3L
SGS Tested for Peace of Mind: Tested by SGS, meeting NSF/ANSI 58 Standards, the DREO 7-in-1 RO filter removes 1000+ impurities (up to 99.99%) in water including PFOA, PFOS, chlorine, fluoride, and more., so you can enjoy clean, healthy water
$ 152.99
$ 169.99
To the offer
22% discount
APEC Water ROES-PH75X, 6-Stage Under Sink RO System Alkaline, Extra Filters
Supreme quality – designed and engineered with only premium components to ensure high quality filtration and a durable reverse osmosis system for years
$ 249.99
$ 319.99
To the offer
17% discount
Waterdrop G2P600 Under-Sink RO System, 600 GPD Tankless Water Filtration
[NSF/ANSI 372 Certified] 600 GPD & 2:1 lowdrain ratio & Tankless Design & Easy installation. Two filters are included in the package. Search "G2P600" for replacement filters
$ 299.00
$ 359.00
To the offer
24% discount
APEC Water RO-90, 5-Stage Under Sink Reverse Osmosis System, 90 GPD
Supreme quality – designed and engineered with only premium components to ensure high quality filtration and a durable reverse osmosis system for years
$ 219.99
$ 289.99
To the offer
10% discount
Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System
6-STAGE ADVANCED FILTRATION WITH UV LIGHT: The Bluevua RO100ROPOT-UV boasts a superior 6-stage filtration system, featuring a 0.0001μm RO membrane, including UV light and an added remineralization filter. Certified by WQA against NSF/ANSI/CAN 372 for lead-free and tested by SGS, this combination effectively reduces TDS, PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead, and more, while also enriching water with essential minerals, balancing taste and health benefits.
$ 409.00
$ 454.00
To the offer
15% discount
Waterdrop G3P800 Tankless Reverse Osmosis Water Filter System, 800 GPD
[10-Stage filtration] Tested by official third-party laboratory (SGS), through 10-stage filtration, G3P800 can effectively reduce PFAS, fluoride, heavy metals like lead, chromium, iron, salts like nitrate and chloride as well as large particles and radioactive substances such as radium. Our RO system can reduce such as vinyl chloride, ethylhexyl acrylate, isobutylene, monobutyl ether, according to the reverse osmosis membrane technical manual
$ 849.00
$ 999.00
To the offer
15% discount
iSpring RCC1UP-AK, 100 GPD 7-Stage Reverse Osmosis Under Sink Water Filtration System with Boost Pump, Alkaline Remineralization and UV Filter, Patented Top-Mounted Faucet Design for Easy Installation
QUALITY 7-STAGE FILTRATION - Reduces up to 99% of over 1,000 harmful contaminants, including PFAS (PFOA & PFOS), chlorine, fluoride, lead (up to 98%), arsenic, asbestos, calcium, sodium, and more.
$ 382.48
$ 449.99
To the offer
10% discount
Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System
COUNTERTOP FILTRATION + PREMIUM-QUALITY CARAFE: No plumbing or installation is required for this RO system. Simply plug this portable piece of tech into any power source, and you're ready to fill it up and go! Better yet, the water container is constructed of a high borosilicate glass carafe instead of the traditional plastic, reducing the risk of secondary pollution and making this one of the best countertop water filter systems.
$ 389.00
$ 434.00
To the offer
17% discount
Waterdrop G2 Reverse Osmosis System, 400 GPD Tankless RO Water Filtration
[NSF/ANSI 372 Certified] 400 GPD & 1:1 low drain ratio & Tankless Design & Easy installation. Two filters are included in the package. Search "Waterdrop G2CF" and ''Waterdrop G2MRO' for replacement filters
$ 249.99
$ 299.99
To the offer
15% discount
Waterdrop X12 Alkaline Mineral Reverse Osmosis System, 1200 GPD, Under-Sink
[Trusted certification] Tested and certified by IAPMO R&T against NSF/ANSI 42 & 58 & 372 standard, and tested by SGS to reduce harmful substances
$ 1,099.00
$ 1,299.00
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DREO Reverse Osmosis Water Filter Countertop, RO Filtration System, 3:1 Pure to Drain, TDS & Filter Life & 2 Autofill Pitchers, Install-Free, Self-Cleaning Water Purifier, RO Water Filter
SGS Tested for Peace of Mind: Tested by SGS, meeting NSF/ANSI 58 Standards, the DREO 7-in-1 RO filter removes 1000+ impurities (up to 99.99%) in water including PFOA, PFOS, chlorine, fluoride, and more., so you can enjoy clean, healthy water
$ 199.99
free delivery
To the offer
14% discount
Waterdrop G5P700A Alkaline Mineral Reverse Osmosis Water Filter, 700 GPD
[8-Stage precise filtration] Tested by SGS, the reverse osmosis system features an advanced 8-stage filtration process that reduces harmful contaminants such as PFOA, PFOS, chlorine, bad taste and odor, lead, fluoride, heavy metals, and other impurities. Enjoy clean and safe water with Waterdrop G5P700A
$ 309.99
$ 359.99
To the offer
iSpring RCC7AK-BLK, NSF/ANSI 58 Certified, Alkaline 6-Stage Reverse Osmosis System with Stylish Black RO Faucet, pH+ Remineralization RO Water Filter System Under Sink
ALKALINE FILTRATION WITH SLEEK BLACK FAUCET - This advanced 6-stage RO system restores natural alkalinity and essential minerals, delivering better-tasting water compared to standard 5-stage systems. The included black RO faucet enhances your kitchen’s style with a modern, sophisticated touch.
$ 249.99
free delivery
To the offer
15% discount
iSpring RCC7P-AK, 6-Stage Reverse Osmosis System Under Sink Alkaline Water Filter and Pump, RO Drinking Water Filtration System, Patented Top-Mounted Faucet Design for Easy Installation
BOOSTER PUMP FOR MAXIMUM PERFORMANCE - The durable electric booster pump ensures consistent high efficiency, providing reliable RO filtration even in homes with low water pressure while reducing wastewater
$ 288.26
$ 339.13
To the offer
Home Master TMAFC-ERP Artesian Full Contact Reverse Osmosis System, 7-Stages, Patented 2-Pass Alkaline Remineralization, Fast 4.5s Fill Rate, 1:1 Waste Ratio, 8.5” Catalytic Carbon, 5-Yr Limited Parts
Innovative RO System Design - Home Master Artesian Full Contact addresses common issues of canister and tankless systems with a unique, efficient design.
$ 383.24
free delivery
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Express Water 10 Stage Reverse Osmosis Alkaline Water Filtration System with Alkaline Filter for Added Essential Minerals – RO Water Filter with Faucet and Tank – Under Sink Water Filter 50 GPD
REVERSE OSMOSIS SYSTEM: Ditch the pitcher water filter. Experience what water should taste like with the Express Water reverse osmosis water filtration system reducing up to 99.99% of Lead, Chlorine, Fluoride, PFAs/PFOs, Calcium, Arsenic, and much more.
$ 228.99
free delivery
To the offer
21% discount
![[Dual Flow] Waterdrop WD-T4-A Alkaline pH+ Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 10-Stage, 450GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in required](https://cdn.netzshopping.de/productimages/5/5/3/B0F5V9G355.jpg)
[Dual Flow] Waterdrop WD-T4-A Alkaline pH+ Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 10-Stage, 450GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in required
[Dual Water Flow]: The WD-T4-A RO system offers two purified water options: a standard RO-purified stream and a mineral-enhanced alkaline stream. Switch between them effortlessly based on your needs — both deliver contaminant-reduced drinking water. Dual LED ensure complete water safety from filtration to faucet *NOTE: Faucet installation requires drilling holes in the countertop
$ 259.99
$ 329.99
To the offer
5% discount
VonWater 7-Stage Countertop Reverse Osmosis Water Filter System, 528 Gallons RO Water Filtration with Portable Pitcher, NSF/ANSI 372,53,42,58, Reduce TDS PFAS, 5 Volumes, 3:1 Pure to Drain CT910
[NSF Certified for Safety with All-in-1 Filter]: CT910 advanced reverse osmosis water filtration system features an all-in-1 filter that purifies water down to 0.0001μm. This system is NSF372,53,42,58 certified, effectively removes up to 99.99% of harmful contaminants, including TDS, PFOA, PFOS, fluoride, lead, chromium, iron, nitrates, chlorides, as well as larger particles. Experience high-efficiency filtration and enjoy healthier, purer water
$ 189.99
$ 199.99
To the offer
19% discount
iSpring RCC7AK-UV, NSF 58&372 Certified, 7-Stage Reverse Osmosis Water Filter System with Alkaline and LED UV Filter, Patented Top-Mounted Faucet Design for Easy Installation
WHOLE SYSTEM NSF/ANSI 58 CERTIFIED – This under-sink reverse osmosis water filter is tested and certified by NSF International for the entire system, not just individual components.
$ 266.44
$ 329.99
To the offer
15% discount
Frizzlife Reverse Osmosis Water Filter - Alkaline Mineral pH+, NSF/ANSI 58&53&42&372 Standard, 600GPD Tankless RO Reverse Osmosis System, Under Sink, 2:1 Pure to Drain, Reduce FPAS/PFOA, PD600-TAM3
【Remineralization & Alkalization Under Sink Water Filter】: The water from the RO membrane is slightly acidic, which also removes natural minerals. The 3rd stage filter solves both issues of conventional RO systems! It balances the alkalinity of RO water and adjusts the PH to more than 7.5. Drinking weakly alkaline water is beneficial to your health. It also restores health-benefiting essential minerals to your water. Frizzlife PD600 produces the healthiest and greatest tasting water for you.
$ 399.99
$ 469.99
To the offer
VIVA21 5-Stage Reverse Osmosis System, Under Sink RO Water Filter, WQA Gold Seal Certified to NSF/ANSI 58 & 372, Lead-Free Faucet, Tank, Leak Detector
Removes Up to 99% of Harmful Contaminants - Effectively reduces PFAS, chlorine, fluoride, lead, arsenic, asbestos, and hundreds more—delivering truly clean, healthy drinking water for your family.
$ 199.99
free delivery
To the offer
8% discount
APEC Water ROES-50X, 5-Stage Under Sink RO System, Extra Filters, 50 GPD
APEC ROES-50 - Offers reliable reverse osmosis water filtration for 50 gallons per day, removing up to 99.99% of impurities and providing ultra-pure, great-tasting drinking water for your home right from the kitchen tap!
$ 251.84
$ 274.99
To the offer
21% discount
Waterdrop T3-M Remineralization Reverse Osmosis Water Filter, 450 GPD
[Advanced 8-Stage Filtration]: The Waterdrop Reverse Osmosis Water Filter — WD-T3-M uses advanced 9-stage filtration to reduce heavy metals, chlorine, PFOA & PFOS with a 0.0001μm RO membrane, while enriching water with minerals for better taste and health *Tested by a third-party laboratory
$ 219.99
$ 279.99
To the offer
EcoPure ECOP30 Premium Reverse Osmosis System – Under Sink Drinking Water Filter System – NSF-Certified – Reduces Lead, Chlorine, and TDS –Bottled-Quality Water – Easy Filter Changes
Perfect for Families of Any Size: Ideal for households looking for a healthier, more sustainable alternative to bottled water. Provides unlimited clean, great-tasting drinking water right from your kitchen sink or refrigerator
$ 219.99
free delivery
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Waterdrop G5P500A Reverse Osmosis System, 8-Stage RO Filtration, Alkaline
[8-Stage precise filtration] The reverse osmosis system features an advanced 8-stage filtration process that reduces harmful contaminants such as PFOA, PFOS, chlorine, lead, fluoride, heavy metals, and other impurities. Meanwhile, Waterdrop G5P500A delivers clean, safe water free from unpleasant tastes or odors
$ 259.99
free delivery
To the offer
26% discount
GLACIER FRESH GFU03 Reverse Osmosis Water Filter System 800 GPD, TankInside
800 GPD High Capacity: The GLACIER FRESH GFU03 Reverse Osmosis System delivers an impressive 800 gallons per day—perfect for a large family’s demand for pure water. Plus, its high water flow filters one cup of water in just 5 seconds.
$ 199.99
$ 269.99
To the offer
APEC Water Reverse Osmosis Water Filter System, WQA Certified, 6-Stage with Alkaline Mineral pH+ and Extra High Capacity Pre-Filter Set Stage 1-3, Ultra Safe Essence Series, 75 GPD
America's no.1 rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water.
$ 328.15
free delivery
To the offer
13% discount
Frizzlife M800 Non-Electric Tankless Reverse Osmosis Water Filter, up to 900GPD Alkaline Mineralized RO Water Filtration System, Huge Filter with Auto Flush, NSF/ANSI 58&372, 4:1 Pure to Drain
Pre-Purchase Check! The dimensions of the M800 are 14.5"L x 5.1"W x 19.7"H,ensure you have sufficient under-sink space for M800.
$ 287.09
$ 329.99
To the offer
AquaTru Water Purification Unit - Certified NSF/ANSI Standards, Removes 84 Contaminants, No Plumbing Required, Cost-Effective, Environmentally Friendly
Countertop Reverse Osmosis Water Filter Removes 84 Contaminants: Certified by IAMPO to NSF standards to reduce fluoride, lead, chlorine, microplastics, and forever chemicals (PFOA/PFOS), delivering clean, safe drinking water at home.
$ 475.00
free delivery
To the offer
15% discount
Waterdrop X8-WAN Alkaline Mineral Tankless Reverse Osmosis System Undersink
[0.0001 μm RO + added minerals] Waterdrop X8-Alkaline combines a precise 0.0001 μm RO membrane with Alkaline mineralization technology, effectively reducing particles larger than 0.0001 μm while enriching water with essential minerals like Ca2+, Mg2+, Na+ and K+
$ 679.00
$ 799.00
To the offer
25% discount
Waterdrop KJ600 Instant Hot Reverse Osmosis System, 600 GPD, Tankless RO
[First-to-market RO system with heating function] The KJ600 instant hot water dispenser reverse osmosis system can dispense both cold water and hot water to meet your different demands. Adjust the temperature as you wish in the range of 104°F-203°F. 5-stage deep filtration, can effectively reduce TDS, chromium, PFAS, fluoride, microplastics, arsenic, salt, heavy metals, nitrate, particles, chloride and other harmful substances
$ 599.00
$ 799.00
To the offer
8% discount
VIOMI V6 600GPD Under Sink Tankless Reverse Osmosis Water Filtration System
[Important Compatibility & Installation Note] This purifier works only with the included faucet—cannot connect to other faucets, refrigerators, or ice-makers. Installation requires two holes: one on the countertop for the RO faucet and a second under the sink for the drain pipe. A standard dedicated electrical outlet is required. Before buying, measure under-sink space for proper fit—allow 2.0"–3.9" rear clearance for tubing, and account for existing items like disposers, plumbing, and supplies.
$ 219.98
$ 239.99
To the offer
13% discount
NU Aqua 7-Stage UV Alkaline Under Sink Reverse Osmosis Water Filter System
120-DAY HOME TRIAL & 3 YEAR WARRANTY: If you're not satisfied with your 7 stage UV & Alkaline reverse osmosis system within the first 120 Days, send your RO Water Filter System back. Backed by an industry leading 3 year manufacture warranty and lifetime support the NU Aqua Platinum Reverse Osmosis Under Sink Water Filter Systems comes with the industry's best support and a satisfaction guarantee
$ 259.95
$ 298.99
To the offer
5% discount
Geekpure 6 Stage Reverse Osmosis RO Drinking Water Filter System-75GPD
6-Stage Reverse Osmosis Drinking Water Filter System with UV Filter--Reduce arsenic,chlorine,lead,fluoride,mercury,cadmium,heavy metals and more.Filters down to 0.0001 micron.Experience fresher healthier baby formula,tea and coffee,better tasting foods and crystal clearer ice cubes
$ 150.09
$ 157.99
To the offer
iSpring PH100 Alkaline Reverse Osmosis Water Filter System, pH+ Remineralization 6-Stage Under Sink RO Drinking Water Filtration System 100 GPD Fast Flow 1:1 Pure to Waste Ratio, US Made Filters
HIGH-QUALITY US MADE FILTERS - The PH100 RO Water Filter System features top-quality US-made filters and a Dupont RO membrane for exceptional durability and performance. This advanced under-sink reverse osmosis system removes up to 99% of over 1,000 contaminants, including PFAS, lead (up to 98% removal), chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more.For the ice maker water line, please search "B09MV3SNT3".
$ 359.99
free delivery
To the offer
38% discount
Ecoviva RO1000G Tankless 9-Stage Commercial Reverse Osmosis Water Filtration System, NSF/ANSI 58, 1000GPD German Design 3:1 Pure to Drain,10 Years Fully Sealed Solid & Reliable, Alkaline PH+
【ANSI 58/53/42/61/372 CERTIFIED | 99% Contaminant Removal】 Shields your family and appliances from fluoride, nitrates/nitrites, PFAS, lead, arsenic, and 1000+ tap water impurities. Lab-verified for safe, clean drinking water.
$ 239.99
$ 389.99
To the offer
Geekpure 5 Stage Reverse Osmosis RO Drinking Water Filter System-75 GPD
5-Stage Reverse Osmosis RO Drinking Water Filter System,Effectively reduces arsenic,lead,fluoride,cadmium,heavy metals .Filters down to 0.0001 micron.Experience fresher healthier baby formula,tea and coffee,better tasting foods and crystal clearer ice cubes
$ 159.69
free delivery
To the offer
18% discount
ANGEL X2 Tankless Reverse Osmosis System, 700 GPD, Under Sink RO Filter
[TRUSTED CERTIFICATIONS]: ANGEL X2 reverse osmosis water filter is strictly tested by CSA to meet NSF/ANSI standards 58, 42 & 372 for contaminant reduction performance and material safety, ensuring trusted water quality for everyday use. The reverse osmosis system is also certified by the Federal Communications Commission. The drinking water filter operates under a feed water pressure range of 14.5–87 psi. Replacement filter search: Angel X2 Replacement Filter. (The product includes 3 filter cartridges).
$ 269.99
$ 329.99
To the offer
20% discount
APEC Water ROCT-C1 Countertop Reverse Osmosis Water Filter, Chills 40°F
MAX CHILL: Beat the heat with crisp purified water served at a chilly temperature of 40°F. The built-in refridgerator-style compressor keeps a 27oz cold water reservoir cold, ready to cool you down at any time.
$ 399.99
$ 499.00
To the offer
E8 800GPD Compact Reverse Osmosis System 800 GPD Fast Flow RO Water Filter, 9 Stage Tankless Under Sink RO Water Filtration System High Pure to Drain, LED Smart Real-Time Display Faucet, Dark Black E8
[ 800 GPD High Capacity ] E8 800GPD RO system under sink filtration delivers an impressive 800 gallons per day (GPD) water capacity — meeting the pure water demands of large families. And its powerful high-flow rate fills a full cup of filtered water in just 5 seconds, cutting down on wait time completely. E8 under-sink reverse osmosis system features advanced water-saving technology that delivers an exceptional 2.5:1 pure-to-drain ratio — a highly efficient design that minimizes water waste.
$ 299.99
free delivery
To the offer
PHILIPS Countertop Reverse Osmosis Water Filter, Installation-Free
【Advanced 5-Stage Filtration】 This system utilizes a 5-stage reverse osmosis process, enhanced by Aquaporin Inside technology. Powered by Aquaporin proteins that mimic natural water filtration, it effectively removes chlorine, lead, calcium, and reduces TDS by filtering out impurities as small as 0.0001 microns. We recommend using tap water or another clear water source. Please avoid using visibly cloudy or contaminated water. The integrated filter lasts up to 12 months.
$ 299.99
free delivery
To the offer
31% discount
Ecoviva 1000GPD UnderSink Reverse Osmosis System, German Design, NSF/ANSI 58 61 372 Tankless 9-Stage 3:1 Pure to Drain, 10 Years Robust Alkaline RO Water Filtration, Fully Sealed
GERMAN DESIGN, ENGINEERED FOR LONG-TERM USE: Designed following German engineering principles, the fully sealed structure helps reduce vibration and operational noise while enhancing durability. Adopted by over 100,000 households across Europe and engineered for long-term performance.
$ 269.99
$ 389.99
To the offer
28% discount
Electrolux Tankless Reverse Osmosis System,Eco 600GPD, 9-Stage Water Filter
Compact Size 600GPD Reverse Osmosis System: Electrolux 600 GPD reverse osmosis water filter under sink features an ultra-compact size of 15.6" × 5.2" × 13.3", designed for under-sink installation to perfectly fit narrow kitchen cabinets. With a high-capacity 600 GPD output that can fill 100 mL of water in just 3 seconds, it delivers a steady and abundant supply of purified water. Designed to meet the daily drinking, cooking, and hydration needs of households with 3–5 people, it provides fresh, on-demand water without stagnation for a more convenient and organized modern kitchen.
$ 359.99
$ 499.99
To the offer
25% discount
APEC Water RO-Hi, 5-Stage Under Sink Reverse Osmosis System, 3/8" Output
SUPREME QUALITY: Built with super long-lasting USA MADE filters, RO-Hi is a durable system that will last for decades. System is designed, engineered and assembled in USA to ensure water purity for good health
$ 299.95
$ 401.99
To the offer
15% discount
Waterdrop X12-PRO Dual Flow Reverse Osmosis Water Filter, Alkaline Mineral
[Ultimate purity] The Waterdrop X12-PRO RO system surprisingly surpasses traditional tank and tankless systems with its advanced dual water flow design, covering all your kitchen water needs. It not only provides healthy alkaline drinking water but also ensures cleaner food and dishes. Enjoy ultimate water purity at home with Waterdrop
$ 1,189.00
$ 1,399.00
To the offer
16% discount
Countertop Reverse Osmosis Water Filtration System
Third Party-VERIFIED QUALITY Meeting NSF/ANSI 58 Standards removes PFOS, PFOA, nanoplastic, chlorine, fluoride, and more. The system's filtration efficacy is backed by rigorous Third-Party testing reports, giving you absolute peace of mind that every drop you drink meets strict quality standards.
$ 159.98
$ 189.99
To the offer
26% discount
SimPure Y9A UV Countertop Reverse Osmosis Water Filter, Alkaline
WATER TASTE COMPARISON WITH TAP WATER: The Y9A water filter system uses advanced reverse osmosis technology, followed by a post-mineralization filter that adds essential minerals like calcium (Ca2+), magnesium (Mg2+), and potassium (K+). This enhances the taste of the water while promoting better hydration and increases to 50-80 ppm after mineral addition.
$ 297.48
$ 399.99
To the offer
AquaticLife 4-Stage RO/DI Filter with Carbon Plus, 100 GPD
100 GPD OF FILTERED REVERSE OSMOSIS WATER - The Aquatic Life 4-Stage 100 GPD RO/DI water filter system provides up to 100 Gallons Per Day of filtered reverse osmosis water.
$ 154.11
free delivery
To the offer
10% discount
iSpring RO500AK Alkaline Reverse Osmosis System, NSF 58 Certified, 500 GPD
NSF 58 Certified - The iSpring RO500AK-BN tankless reverse osmosis system is NSF 58 certified for TDS reduction. Scan the QR code for the official NSF online test report. Industry-leading 2:1 pure-to-waste ratio reduces wastewater by up to 400% compared to traditional RO systems, lowering water bills and minimizing waste.
$ 625.06
$ 692.99
To the offer
20% discount
Waterdrop X16 Reverse Osmosis System, Alkaline Mineral, 1600 GPD, UnderSink
[ Trusted Certification ] Tested and certified by IAPMO R&T against NSF/ANSI 42 & 58 & 372 standard, and tested by SGS to reduce harmful substances.
$ 1,599.00
$ 1,999.00
To the offer
11% discount
iSpring RO5004F Reverse Osmosis Water Filter with UV, SGS Tested PFAS and TDS Reduction, 500 GPD RO System Under Sink, 2:1 Pure to Drain, Tankless RO Water Filtration System, Filter Life Monitor
Affordable Replacement Filters: Our replacement filters are priced competitively, ensuring you get high-quality filtration without overspending. Choose the F4RO5004F 1-year pack or the F9RO5004F 2-year pack for long-term savings and hassle-free maintenance.
$ 329.99
$ 369.99
To the offer
14% discount
Bluevua RO100ROPOT-Lite Countertop Reverse Osmosis Water Filter
COUNTERTOP DESIGN + PREMIUM-QUALITY CARAFE: No installation or plumbing is required for this product — all you need to do is plug the water purifier into any power outlet and you're ready to fill it up and go! And to make it even purer the water is dispensed into a high borosilicate glass carafe rather than a plastic container, leaving it even safer from pollutants and nasty chemicals.
$ 299.00
$ 349.00
To the offer
DESENRUIS Reverse Osmosis System, Dual RO Water Filter, 800GPD
High-Efficiency Filtration: The DESENRUIS Reverse Osmosis Water Filter System protects your family’s health by effectively removing 99.9999% of impurities, including PFAS, fluoride, lead, chromium, iron, nitrates, chlorides, large particles, radium, and other radioactive substances. Tested by the SGS official third-party laboratory, it ensures every drop of water is cleaner, safer, and healthier for your loved ones
$ 259.99
free delivery
To the offer
21% discount
Electrolux WiFi 600GPD Reverse Osmosis System, 10-Stage Smart Under Sink
Remineralized Reverse Osmosis Filtration: The Electrolux reverse osmosis filtration system not only reduces unwanted substances but also enhances water after filtration by adding essential minerals such as calcium (Ca2+), magnesium (Mg2+), sodium (Na+), and potassium (K+). These minerals help improve taste for a fresher, more enjoyable drinking experience. The PCF filter features a built-in remineralization function designed to replenish minerals reduced during the RO process.
$ 549.99
$ 699.99
To the offer
iSpring CRO1000 4-Stage Tankless Commercial Reverse Osmosis Water Filtration System, for House, Restaurant, Small Business, and Light Industrial Use,1000 GPD High Flow, Upgraded Size Filters
COMMERCIAL RO SYSTEM WITH RELIABLE FEATURES - The iSpring CRO1000 is a true commercial-grade reverse osmosis system with a high output of 1,000 GPD. Its tankless design provides on-demand clean, filtered water with a flow rate of 0.7 GPM. Built-in inlet and outlet gauges allow for easy pressure monitoring. The optional PMP1000 booster pump is recommended for water pressure below 80 psi (working range: 80-130 psi).
$ 1,296.73
free delivery
To the offer
6% discount
SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, 5 Stage RO
TESTED AND CERTIFIED BY SGS: Against NSF/ANSI 58 Standard: Converts your tap water/well water(TDS
$ 254.99
$ 269.99
To the offer
24% discount
iSpring T20M 20 Gallon Pre-Pressurized Tank for Reverse Osmosis (RO) Systems with 14 gallons of Water Storage Capacity, White
The tank is made of quality materials (Tested by independent third-party to meet NSF and ANSI Standards)
$ 167.19
$ 218.99
To the offer
DREO WF511 Reverse Osmosis Water Filter, 7-Stage RO Water Filtration System Removes 99.99% Contaminants, Installation-Free, TDS Reduction, BPA-Free Pitcher, 3:1 Pure to Drain
7-layer Water Filter System: DREO’s Reverse Osmosis Water Filter Countertop uses a 7-layer water filtration system, featuring a 0.0001μm RO membrane that removing 99.99% of 1000+ contaminants tested by SGS for pure, safe drinking water in every drop
$ 299.99
free delivery
To the offer
Home Master TMHP-L HydroPerfection RO System, 9-stages, 99% rejection DOW membrane, Patented 2-pass Remineralization, 4.5sec Fill Rate, 1:1 Waste Ratio, UV 99.9% EPA 97952AZ1, Lux Faucet, Fridge Ki
A better RO system | Home Master HydroPerfection’s innovative design solves most common problems associated with canister and tankless RO systems
$ 568.31
free delivery
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VIOMI V6 PRO 600GPD Under-Sink Reverse Osmosis Water Filtration System
[Flexible Installation & Refrigerator Compatibility] Need filtered water for your fridge or ice maker? Viomi V6 Pro reverse osmosis water filtration system can supply purified water to a separate line—simply connect using standard tubing (not included). Setup requires a standard outlet and two drilled holes (1"-1.5" for the LCD smart faucet, 1/4" for drain). If you have a garbage disposer, this under sink water filter needs its own dedicated outlet—it cannot share the switched disposer outlet. For compatibility with other faucets, please contact customer care.
$ 379.99
free delivery
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21% discount
APEC Water ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD
APEC ROES-50 - Offers reliable reverse osmosis water filtration for 50 gallons per day, removing up to 99.99% of impurities and providing ultra-pure, great-tasting drinking water for your home right from the kitchen tap!
$ 182.73
$ 230.99
To the offer
15% discount
Frizzlife Reverse Osmosis Water Filter - Alkaline Mineral pH+, NSF/ASNI 58&53&42&372 Standard, 600GPD Tankless RO Reverse Osmosis System, Under Sink, 2:1 Pure to Drain, Smart LED Faucet, PD600-N
[Alkaline & Remineralized Reverse Osmosis Water Filter] Traditional RO water can be slightly acidic and stripped of natural minerals. The Frizzlife PD600-N solves both problems with its advanced remineralization stage. It raises the pH above 7.5 and restores essential minerals, delivering clean, great-tasting, weakly alkaline water that’s ideal for everyday drinking.
$ 399.99
$ 469.99
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Express Water Reverse Osmosis Water Filter System, Chlorine Reduction, NSF Certified
Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system filtering up to 99.99% of Lead, Chlorine, Fluoride, Nitrates, Arsenic, and more. Alkaline Water Filter: Express Water’s Alkaline Water Filter with Active Mineral Technology adds Calcium, Potassium, Magnesium, and other minerals to your water
$ 199.99
free delivery
To the offer
15% discount
Philips Reverse Osmosis Water Filter System，400G Under Sink Water Filter
[Trusted Certifications for Safe Use]: Philips reverse osmosis system is NSF/ANSI 372 Certified for lead-free materials, tested by SGS, and FCC certified for reliable electrical operation—built for dependable daily use and household safety. 1/2" NPT is provided,If you need 3/8" Compression Fitting Size, please contact our customer service.
$ 254.99
$ 299.99
To the offer
14% discount
Bluevua RO100ROPOT-Lite Countertop Reverse Osmosis Water Filter
COUNTERTOP DESIGN + PREMIUM-QUALITY CARAFE: No installation or plumbing is required for this product — all you need to do is plug the water purifier into any power outlet and you're ready to fill it up and go! And to make it even purer the water is dispensed into a high borosilicate glass carafe rather than a plastic container, leaving it even safer from pollutants and nasty chemicals.
$ 299.00
$ 349.00
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Hydro-Logic Purification Systems HydroLogic Evolution RO High Flow Reverse Osmosis System 1,200 GPD HL 31023 Hydroponic Water Filtration for Gardening
Capable of producing up to 1,000 GPD or 42 gallons per hour of purified water at standard line pressure
$ 599.99
free delivery
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iSpring RCC1DP Tankless RO/DI System – 5-Stage, 150 GPD with Pump
Most Impurities Reduction: Embark on a journey through thorough water refinement. The RO de-ionization Water Filter System addresses a diverse spectrum of over 1,000 water pollutants, including prominent culprits like lead (with an exceptional 98% removal rate), chlorine, fluoride, and an array of contaminants. Its effectiveness extends to achieving water purity by completely eliminating dissolved solids (TDS), revolutionizing industries with an unwavering stance against impurities.
$ 193.75
free delivery
To the offer
16% discount
AQUALTRA USF-AR-1000 Reverse Osmosis System, NSF/ANSI/CAN 372 Certified, PH+ 1000GPD 10 Stage Alkaline Tankless RO System, 3:1 Pure to Drain, Smart LED Faucet
【Authoritative Certifications】AQUALTRA tankless ro system under sink is made from premium BPA-free and lead-free materials, it is certified by CSA against NSF/ANSI 372 Standard, ensuring reliable use from inside to outside.
$ 286.99
$ 339.99
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800GPD Tankless RO Water Filter with WiFi, Instant Hot and Cold, Under Sink
【First-to-Market Smart WiFi Reverse Osmosis System】With smart wifi app control enabled 2-in-1 water purifier and heater with real-time TDS monitoring,water quality and filter life alerts,all controllable via your smartphone
$ 764.99
free delivery
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22% discount
Frizzlife 800GPD Reverse Osmosis Water Filter, NSF/ASNI 58&53&42&372 Standard, Alkaline Mineral pH+ Tankless Reverse Osmosis System, 9-Stage Under Sink Filtration RO, 2:1 Pure to Drain, PD800-TAM4
Certified & 9-Stage Filtration: Frizzlife PD800-TAM4 reverse osmosis water filter is certified against NSF/ANSI 372 for lead-free material. It also certified by FCC. PD800 under sink RO system adopts 9-layer filtration with 0.0001 micron precision. tested by official third-party lab(SGS) against NSF/ANSI 5&42&53 standard, effectively gets rid of 1000+ kinds of harmful contaminants (99.99%), including POFS/PFOA/PFAS, Lead, Chlorine, Fluoride, Arsenic, Chloramine, TDS, limescale, VOCs and more
$ 509.99
$ 649.99
To the offer
17% discount
Waterdrop G5P700-PRO Reverse Osmosis System, 700 GPD Dual Flow Water Filter
[ Dual Water Paths, Every Drop Clean ] As a dual-flow RO Water Filtration System, one line connects to the dedicated RO faucet for pure drinking or cooking, while the other connects to your kitchen faucet for filtered water ideal for washing. You can also link it to your dishwasher, refrigerator, or ice maker for clean water convenience
$ 339.99
$ 409.99
To the offer
13% discount
VIOMI V8 Reverse Osmosis Water Filtration System, Tankless 800GPD RO Filter
[Important Compatibility & Installation Note] This purifier works only with the included faucet—cannot connect to other faucets, refrigerators, or ice-makers. Installation requires two holes: one on the countertop for the RO faucet and a second under the sink for the drain pipe. A standard dedicated electrical outlet is required. Before buying, measure under-sink space for proper fit—allow 2.0"–3.9" rear clearance for tubing, and account for existing items like disposers, plumbing, and supplies.
$ 259.98
$ 299.99
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APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter System with Extra High Capacity Pre-Filter Set Stage 1-3
We use the same technology as other major bottling plants use to filter water. RO systems purify water daily in your home which is fresher and healthier compared to water that has been sitting in plastic bottles.
$ 283.35
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Aquasure 64,000 Grains Whole House Water Filter Bundle with Automatic Digital Metered Control Softener and 75 GPD RO Reverse Osmosis Drinking System | Removes Hardness | Ideal for 4-6+ bathrooms
Perfect for homes with 4 to 5 bathrooms and up to 6 family members, who desires softened water and clean, pure drinking water for the whole family.
$ 859.99
free delivery
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15% discount
iSpring RCC7P, 75 GPD Reverse Osmosis System with Pump, 5-Stage Boosted Performance Under Sink RO Water Filtration System with Patented Top-Mounted Faucet Design for Easy Installation
Reverse Osmosis produces purified drinking water by pressurizing water molecules through RO membrane and leaving impurities out. The under sink water filter RCC7P’s extremely durable electric booster pump ensures high efficiency, reliable, and consistent RO system performance regardless of pressure variations; delivering higher throughput with less waste water in comparing to pump less models.
$ 266.84
$ 313.95
To the offer
6% discount
Electrolux WiFi 800GPD Reverse Osmosis Water Filter, Under Sink Alkaline
All-in-One RO System, Smart & Mineralized: This modern all-in-one reverse osmosis water filter combines advanced RO purification, built-in remineralization, and smart WiFi monitoring in a single under-sink system. Designed to deliver clean, great-tasting water with added essential minerals while giving you real-time system visibility through your phone, it offers a convenient, space-saving, and cost-effective solution for everyday drinking water needs.
$ 751.99
$ 799.99
To the offer
10% discount
iSpring RCB3P Tankless Reverse Osmosis Filtration System, 300 GPD Under Sink RO System, Reduces TDS, 1.5:1 Pure to Drain, Booster Pump & Pressure Gauge for Residential & Light Commercial Use
Under Sink RO Water Filtration System - This high-capacity reverse osmosis system removes up to 99% of over 1, 000 contaminants and hardness, including PFAS (PFOA and PFOS), lead, chlorine, fluoride, arsenic, asbestos, calcium, sodium and more
$ 541.79
$ 601.99
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Thereye Reverse Osmosis System Countertop Water Filter, NSF/ANSI 58 Tested, 7 Stage RO Filtration, Fast Water Delivery, 3:1 Pure to Drain, BPA Free Water Purifier for Home, No Installation
【Tested by SGS】Against from NSF/ANSI 58 & 42 & 53, EPA 200 Standard and FCC certified. Tested by SGS to effectively eliminate the hidden risks of tap water. In areas with more impurities in the water we recommend changing the cartridge once every 6 months or so to prolong the life of the product.
$ 263.48
free delivery
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Stokk 600 GPD Reverse Osmosis System, 8-Stage Tankless RO Water Filter
8-STAGE FILTRATION - Stokk 8-stage 0.0001μm RO water filtration system effectively removes 1000+ contaminants by 99.99%, including TDS, PFOA, PFOS, fluorides, chlorides and more
$ 386.91
free delivery
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Home Master TMHP HydroPerfection Reverse Osmosis System, 9-stages, Patented 2-pass Alkaline Remineralization, Fast 4.5 Sec Fill Rate, 1:1 Waste Ratio, UV Sterilizer 99.9% EPA 97952AZ1, Iron Prefilter
Cleaner Water, Faster: Our RO system makes your water even cleaner, fills up faster, and wastes less water than other systems.
$ 502.06
free delivery
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12% discount
APEC Water Systems Ultimate Series Top Tier Supreme Certified High Output 90 GPD Ultra Safe Reverse Osmosis Drinking Water Filter System, Chrome Faucet
Supreme quality – designed and engineered with only premium components to ensure high quality filtration and a durable reverse osmosis system for years
$ 232.99
$ 264.99
To the offer
7% discount
APEC Water ROES-100, 5-Stage RO Water Filter System, Low Drain Ratio
Supreme quality - designed, engineered, and assembled in USA to ensure water safety & your health. Provide unlimited clean, refreshing crisp tasting water superior to bottled water
$ 209.99
$ 224.99
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Express Water RO10M, 5-Stage Reverse Osmosis Water Filter System, 100 GPD
Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system filtering up to 99.99% of Lead, Chlorine, Fluoride, Nitrates, Calcium, Arsenic, and more.
$ 206.99
free delivery
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AquaTru Classic Smart Countertop Water Purifier | 4-Stage Reverse Osmosis Filtration System | Certified to Reduce 84 Contaminants Like Lead, Chromium 6, Microplastics, Forever Chemicals | No Plumbing
Certified to Remove 84 Contaminants: Independently certified by IAMPO to NSF standards to remove 84 contaminants, including forever chemicals (PFOA/PFOS), lead, fluoride, chlorine, and microplastics
$ 525.00
free delivery
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3M TFS450 Reverse Osmosis Water Filtration System
Made in United States
$ 2,399.00
free delivery
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AquaTru Glass Carafe | Countertop Reverse Osmosis Water Filter Countertop RO System Water Purifier | 4 Stage Reverse Osmosis Filtration | Removes 84 Contaminants Like PFOA + PFOS, Lead, Microplastics
Countertop Reverse Osmosis Water Filter Removes 84 Contaminants: Certified by IAMPO to NSF standards to reduce fluoride, lead, chlorine, microplastics, and forever chemicals (PFOA/PFOS), delivering clean, safe drinking water at home.
$ 375.00
free delivery
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iSpring RCC7AKF3 Value Pack, Alkaline 6-Stage Under Sink Reverse Osmosis Water Filter System, Patented Easy-Mount Faucet for Effortless Installation, Additional 3 Pre-Filters Included
EXTRA FILTERS INCLUDED - Includes 3 extra pre-filters for extended use and convenience.
$ 199.99
free delivery
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PHILIPS Countertop RO Water Filter, Instant Hot and Cold Dispenser
【Ideal for Family Use】 Designed for households, this water dispenser measures 9.1 × 16.9 × 17.5 inches (W x H x D). Tap water tank: 6L(1.59 Gal). Filtered water jug: 1.8L(0.48 Gal). It requires no installation—just plug it in and it's ready to serve a family of 2-5 people. The system produces about 6.8 oz/min (200ml/min) of purified water. The filtered water is automatically stored in a jug, so clean water is always ready on demand—no waiting. Please note that it dispenses water at room temperature only.
$ 618.74
free delivery
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Delta Faucet Clarifi Under Sink Reverse Osmosis Water Filter System, 6-Stage RO Water Filter, Tankless Water Filtration System, Undersink Water Filter, Reverse Osmosis Filter System, DWQ1001012
BEST-IN-CLASS HOME FILTRATION: Proven to remove more than 90 contaminants from tap water, including: microplastics, total PFAS, lead, arsenic, chlorine, chromium, copper, TDS, mercury, pharmaceuticals, and heavy metals
$ 799.00
free delivery
To the offer
5% discount
iSpring RO500-ORB Reverse Osmosis System, NSF/ANSI 58 Certified, 500 GPD
NSF 58 Certified - iSpring RO500-ORB reverse osmosis system is NSF 58 certified for TDS reduction, ensuring top-tier water filtration performance. Industry-leading 2:1 pure-to-waste ratio reduces wastewater by up to 400% compared to traditional RO systems, lowering water bills and minimizing waste.
$ 633.60
$ 666.99
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Ecoviva E8 800 GPD Reverse Osmosis Water Filter, 9-Stage Filtration RO System, Undersink Water Purifier, Reduces TDS, 2.5:1 Pure to Drain, Tankless, LED Smart Faucet
[Certified Purity] Independently tested and certified by SGS to meet NSF/ANSI 42, 58 standards for reducing impurities including lead, fluoride, arsenic, and more. Enjoy peace of mind with every glass.
$ 299.99
free delivery
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17% discount
Waterdrop X8-PRO Dual Flow Reverse Osmosis Water Filter, 800 GPD RO System
Waterdrop
$ 749.00
$ 899.00
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Express Water ROT600ALKMBN Tankless Alkaline Reverse Osmosis System, 600GPD
Alkaline Water Filter: Express Water's Alkaline Water Filter, featuring Active Mineral Technology, enriches your water by infusing it with essential minerals like Calcium, Potassium, Magnesium, and more.
$ 330.30
free delivery
To the offer
5% discount
Geekpure 5 Stage Reverse Osmosis RO Drinking Water Filter System-75GPD
5-Stage Reverse Osmosis Drinking Water Filter System with Booster Pump,Designed for use in areas with water pressure lower than 40 PSI,Turn on & off automatically. Plus extra 4 replacement filters, total 9 pieces filters in the box ,All filters and parts is universal compatible and standard size
$ 161.49
$ 169.99
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NU Aqua 5-Stage Under Sink Reverse Osmosis Water Filter System - 100 GPD RO
120-DAY HOME TRIAL & 3 YEAR WARRANTY: If you're not satisfied with your 5 stage reverse osmosis system within the first 120 Days, send your RO Water Filter System back. Backed by an industry leading 3 year manufacture warranty and lifetime support the NU Aqua Platinum Reverse Osmosis Under Sink Water Filter Systems comes with the industry's best support and a satisfaction guarantee
$ 199.95
free delivery
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NU Aqua 7-Stage Alkaline + UV Under Sink Reverse Osmosis System with Pump
120-DAY HOME TRIAL & 3 YEAR WARRANTY: If you're not satisfied with your 6 stage UV reverse osmosis system within the first 120 Days, send your RO Water Filter System back. Backed by an industry leading 3 year manufacture warranty and lifetime support the NU Aqua Platinum Reverse Osmosis Under Sink Water Filter Systems comes with the industry's best support and a satisfaction guarantee
$ 345.95
free delivery
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APEC Water ROTL-A1000 3-Stage Tankless Reverse Osmosis System, 1000 GPD
CERTIFIED WATER QUALITY: The APEC ROCT-A1000 has been tested and certified by 3rd party independent IAPMO for water filtration effectiveness of over 1K impurities. NSF 372 & 58 certified for removing harmful impurities from lead to PFAs at 99.9% removal rate.
$ 599.00
free delivery
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SimPure T1-400 RO System 1-Year Replacement Water Filter Set, 7 Pack
1-Year Replacement Set - Individually wrapped 1-Year high-capacity filter replacement cartridge pack for model T1-400UV, including replacement cartridges filters for 1*RO, 2*PP Filter, 2*CTO Filter, 2*T33 Filter.
$ 168.99
free delivery
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GE 5-Stage Reverse Osmosis Under Sink Water Filtration System with Faucet, Reduces 95+ Impurities including Lead, Chlorine, Arsenic, Filters FQ18PN, FQ18MN, FQ18RT, GXRV40TBN
Five-stage filtration - Our five-stage filtration process reduces 95 impurities from your drinking water
$ 249.00
free delivery
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PHILIPS Countertop Reverse Osmosis Water Filter, No Installation
【Ideal for Family Use】 Designed for households, this water dispenser measures 9.1 × 16.5 × 12.8 inches (W x H x D). Tap water tank: 6L(1.59 Gal). Filtered water jug: 1.8L(0.48 Gal). It requires no installation—just plug it in and it's ready to serve a family of 2-5 people. The system produces about 6.8 oz/min (200ml/min) of purified water. The filtered water is automatically stored in a jug, so clean water is always ready on demand—no waiting. Please note that it dispenses water at room temperature only.*Please check product size before ordering
$ 359.99
free delivery
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Brio SIMPL Reverse Osmosis Water Filter System, 4-Stage, 800 GPD
EASY SETUP & OPERATION: Includes almost everything you need for quick installation, including 3 color-coded tubes, faucet, feedwater adapter, drain saddle, lock clips, and flow restrictor. Unit features just 3 buttons for incredibly easy operation. Plus, convenient front-access filter replacement takes just seconds: quarter turn to remove, quarter turn to install
$ 399.99
free delivery
To the offer
5% discount
iSpring RO100 Under Sink 5-Stage Reverse Osmosis Drinking Water Filtration System High Capacity 100 GPD Fast Flow, 1:1 Pure to Waste Ratio, US Made Filters
【US MADE FILTERS】The RO100 RO Water Filter System features top-quality US-made filters and a Dupont RO membrane for exceptional durability and performance. This advanced under-sink reverse osmosis system removes up to 99% of over 1,000 contaminants, including PFAS, lead (up to 98% removal), chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more. For the ice maker water line, please search "B09MV3SNT3".
$ 302.73
$ 319.99
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WINGSOL Integrated Reverse Osmosis Water Filter, NSF/ANSI 42&53&58, 8-Stage Under Sink RO Filtration System for 0 TDS Pure Water, Easy Installation Compact Size, No Electricity Needed
Innovative Integrated System: WINGSOL reverse osmosis system is featured by a highly integration system, avoiding complicated installation and water leakage, saving 75% undersink space. Easy to intall, compact, no electricity needed, no plumber needed, deliverying safe clean drinking water. Suitable for apartment, rental house, the singles, and small family
$ 199.99
free delivery
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iSpring RCC1D Tankless RO/DI System - 5-Stage, 150 GPD for Aquarium
Elevated Performance and High-Flow Precision: The RCC1D introduces a powerhouse reverse osmosis system with DI water filter that excels in both performance and flow rate. Boasting a robust 150 GPD membrane, this enhancement ensures a continuous flow of clean water. Crafted to meet the stringent requirements of aquariums, dental practices, and specialized applications, the RCC1D RO system delivers an unwavering supply of clean water, setting a new pace of excellence.
$ 190.31
free delivery
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PureDrop RTW5AK RO Water Filter System with Alkaline Remineralization
【Restore Balanced Alkalinity】 PureDrop RO under sink water filter system uses a 6-Stage Alkaline Remineralization Layered Filtration for superior water quality. Unlike traditional reverse osmosis systems that produce slightly acidic water, an alkaline remineralization filter - restores healthy minerals and produces a balanced alkalinity. This reliable and ultra-safe Reverse Osmosis water filter system ensures clean, pure, and healthy drinking water.
$ 186.26
free delivery
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DREO Reverse Osmosis Water Filter Countertop, 7-Stage RO Water Filtration System, Installation-Free, Reduce TDS, Water Filter Pitcher for Home, Kitchen, 3:1 Pure to Drain, WF511
7-layer Water Filter System: DREO’s Reverse Osmosis Water Filter Countertop uses a 7-layer water filtration system, featuring a 0.0001μm RO membrane that removing 99.99% of 1000+ contaminants tested by SGS for pure, safe drinking water in every drop
$ 299.99
free delivery
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VonWater 800GPD Under Sink Tankless Reverse Osmosis System
Note: VonWater V2-800N(13.9*4.9*16.2“), Two holes must be drilled for installation. One on the countertop for the RO faucet and a second under the sink for the drain pipe. An electrical outlet is also needed. Note: Contact us if you longer faucet
$ 179.99
free delivery
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iSpring RCD100UHCG UV Alkaline Hot & Cold Countertop Reverse Osmosis Water Filter Dispenser with Mineral & LED UV Filter, 9 Temp Options (50-210°F), 6 Volumes, TDS & Filter Life Monitor
LED UV FILTER - Integrated LED UV filtration provides an added layer of protection.
$ 549.99
free delivery
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Ecoviva Countertop Reverse Osmosis System RO Water Filter, 5-Stage Filtration, Real-time TDS Monitor, BPA Free, 3:1 Pure to Drain, Indoor No Installation Desktop Portable Water Purifier-Black
【5-level purification system】The reverse osmosis system water filter consists of a pair of filters, such as 0.0001 μ m RO filter and CF physical filter, with a filtration efficiency of up to 99.99%. Tested by Third-Party Inspection protects you from potential hazards in tap water.
$ 249.99
free delivery
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ANGEL X1 Pro Reverse Osmosis Water Filter, 7-Stage Under Sink RO System
TESTED FOR PURITY AND SAFETY: Independently tested by SGS to meet NSF 58, 42, and 372 standards, and FCC certified. This reverse osmosis water filter system effectively removes up to 95% of total dissolved solids (TDS) for crystal-clear water and clean drinking. Proven to reduce 99% chlorine, 99.61% nitrate, 99.15% PFOS, 98.36% PFOA, 99.88% fluoride, 99.5% arsenic, 98.34% cadmium, 98.63% chromium, 99.59% lead, 96.87% mercury, and more. The drinking water filter operates under a feed water pressure range of 14.5–87 psi.
$ 249.99
free delivery
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APEC Water Countertop Reverse Osmosis Filter, Chills to 40°F, 6 Stage
MAX CHILL: Beat the heat with crisp purified water served at a chilly temperature of 40°F. The built-in refridgerator-style compressor keeps a 27oz cold water reservoir cold, ready to cool you down at any time.
$ 520.30
free delivery
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KOVIET Reverse Osmosis System, 10-Stage 600 GPD Tankless Reverse Osmosis Water Filter, Under Sink RO Water Filtration System with Smart LED Faucet, NSF/ANSI 42 & 58 Certified, 3:1 Pure to Drain
Authoritative & Reliable Certification: NSF/ANSI 42 & 58 American National Standard and EPA tested, this 10-stage reverse osmosis eliminates TDS, PFAS, heavy metals, etc. 0.0001μm RO membrane and premium coconut carbon ensure safe, fresh-tasting water
$ 191.20
free delivery
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Express Water ROALK10D, 10-Stage Under Sink RO System, Alkaline, 100 GPD
Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99.99% of Lead, Chlorine, Fluoride, Nitrates, Calcium, Arsenic, Bacteria, and more. Alkaline Water Filter: Express Water’s Alkaline Water Filter with Active Mineral Technology adds Calcium, Potassium, Magnesium, and other minerals to your water
$ 229.99
free delivery
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NOVETE Reverse Osmosis Water Filter Countertop, UV Cold Water Down to 32℉, NSF/ANSI 42/58 Certified, 4:1 Pure to Drain, No Installation Needed, 8-Stage RO Water Filtration System, CRF0A-QS, White
Efficient Filtration Performance: The advanced 8-stage water filter system combines US-made RO membrane technology with upgraded UV purification, removing 98.91% of TDS along with residual impurities such as PFAS, heavy metals, chlorine, odors, and more, to provide pure, fresh water
$ 379.25
free delivery
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VonWater CT910G Countertop Reverse Osmosis Water Filter System, 7-Stage RO Water Filtration System, 528 Gallons Water Dispenser, 3:1 Pure to Drain, NSF 372,42,58, Reduce TDS PFAS, No Installation
[7-Stage Ro Filtration With LED Function]: VonWater Advanced 0.0001μm reverse osmosis water filtration system contains LED light purification, effectively removes 99.99% contaminants to reduce TDS, including PFAS, heavy metals, chlorine, fluoride, and other harmful substances. VonWater LED function purification system provides multiple protections for your drinking water.
$ 229.99
free delivery
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Bluevua RO100ROPOT-Lite Countertop Reverse Osmosis Water Filter
COUNTERTOP DESIGN WITH PREMIUM-QUALITY CARAFE AND ENHANCED FILTRATION: This plug-and-play water purifier requires no installation or plumbing, simplifying access to pure water. It features a high borosilicate glass carafe for safe, pollutant-free storage and a 7-stage advanced countertop RO system, including UV light and remineralization, enhancing water purity while enriching it with essential minerals for balanced taste and health benefits.
$ 319.00
free delivery
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Aquasure Premier 4-Stage Reverse Osmosis Under Sink Drinking Water RO Filtration Purification System | Removes 99% of Contaminants | 75 GPD, Leak-Proof, Quick Change Filters, with Tank & Chrome Faucet
【 ADVANCED MULTI STAGE FILTRATION 】Enjoy the purest water possible with Aquasure's RO system. Our 4-stage filtration process includes a sediment filter, activated carbon filter, reverse osmosis membrane, and post-taste filter. Each stage work in tandem to remove 99.99% of contaminants, impurities, and odors, resulting in the highest level of water purity.
$ 189.98
free delivery
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Bluevua RO100ROPOT-Lite Countertop Reverse Osmosis Water Filter
COUNTERTOP DESIGN WITH PREMIUM-QUALITY CARAFE AND ENHANCED FILTRATION: This plug-and-play water purifier requires no installation or plumbing, simplifying access to pure water. It features a high borosilicate glass carafe for safe, pollutant-free storage and a 7-stage advanced countertop RO system, including a 5-in-1 filter, UV light and a remineralization filter, enhancing water purity while enriching it with essential minerals for balanced taste and health benefits.
$ 319.00
free delivery
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Tanoxo Reverse Osmosis Water Filter Countertop System, 5-Stage RO Filtration, Instant Hot Water with 4 Temperature Settings, BPA-Free
【5-Stage RO Filtration for Pure Water】 Experience ultimate purity with our advanced 0.0001μm reverse osmosis water filter countertop. The 5-stage filtration, including a UV LED purification light, effectively removes 99.99% of contaminants like PFAS (forever chemicals), chlorine, fluoride, and heavy metals, giving you peace of mind with every sip.
$ 209.99
free delivery
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SimPure T2-600A UV Alkaline Reverse Osmosis Water Filter 600 GPD
NEAR 0 TDS – ULTRA-CLEAR DRINKING WATER: The SimPure T2-600T utilizes exclusive technology deliver near 0 TDS water—reducing even high TDS tap water (200-500 ppm) to below 25 ppm. With a 99.99% removal rate for dissolved solids, enjoy crisp, mineral-free water perfect for drinking, cooking, and sensitive appliances.
$ 289.99
free delivery
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Bluevua RO100ROPOT-Travel Reverse Osmosis Countertop Water Filter
SUPERIOR 6-STAGE REVERSE OSMOSIS FILTRATION: Featuring the most advanced filtration technology available, Bluevua ROPOT-Travel uses a Reverse Osmosis system with the industry's tiniest pores—just 0.0001μm. Our patented 5-in-1 filter, combined with UV light, effectively reduces harmful contaminants, including TDS, PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead, and more. Tested by SGS and certified by WQA, we ensure you always have access to safe, clean water, whether at home or on the go.
$ 219.00
free delivery
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HBN Reverse Osmosis System, 600 GPD RO Water Filter System, 8 Stage Under Sink RO Water Filtration System with Faucet, 2:1 Pure to Drain, Reduces TDS, FCC Listed, White
【8-Stage Advanced Filtration】: The HBN reverse osmosis system features an advanced 8-stage 0.0001μm RO membrane filtration process that effectively reduces harmful contaminants including TDS, PFAS, PFOA, PFOS, chlorine, lead, fluoride, heavy metals, and other impurities, ensuring clean, safe, and great-tasting water.
$ 169.99
free delivery
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Waterdrop C1S Countertop Reverse Osmosis System
6-stage RO Filtration: Certified for safety with NSF/ANSI 372 lead-free material standard and SGS-tested. This CoreRO system uses premium 0.0001μm RO membrane to reduce TDS, PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead and more, providing you healthy water.NOTE: The WD-C1S can only enhance room-temperature water.
$ 249.00
free delivery
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SimPure T1-400ALK Tankless Alkaline Reverse Osmosis Water Filter 400 GPD
SGS CERTIFIED and TESTED: Against the NSF/ANSI 58 Standard. The SimPure ROULP-3012-400-T1 has been verified and tested by SGS, this ensures its exceptional quality and performance. It effectively removes over 99.99% of 1000+ contaminants, including TDS (fluoride, nitrates/nitrites), PFAS/PFOA/PFOS, heavy metals (lead and arsenic), chloride, etc. Enjoy purified drinking water with confidence and say goodbye to the hidden dangers of tap water
$ 269.99
free delivery
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Brio SIMPL Reverse Osmosis Water Filter System, 4-Stage, 400 GPD
EASY SETUP & OPERATION: Includes almost everything you need for quick installation, including 3 color-coded tubes, faucet, feedwater adapter, drain saddle, lock clips, and flow restrictor. Unit features just 3 buttons for incredibly easy operation. Plus, convenient front-access filter replacement takes just seconds: quarter turn to remove, quarter turn to install
$ 249.99
free delivery
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Cobectal K8B Reverse Osmosis Water Filter System, Under Sink RO Water Filtration System 800 GPD, 3:1 Pure to Drain, 11 Stage Tankless Water Filter with Smart Faucet, Reduces TDS, Black
Drilling 2 holes for installation. One for RO faucet and the other for drain pipe connection. Please note: The stem diameter of this faucet is 3/4 inch.
$ 249.97
free delivery
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Aigerri Countertop Reverse Osmosis Water Filter, 5-Stage RO Water Filtration System with UV, 5:1 Pure-to-Drain Ratio, No Installation Required, Portable Water Purifier for Home, Kitchen, Office & RV
5L Large Water Tank & Long-Lasting Filter Performance: Enjoy convenient daily hydration with a 5L feed water tank and a separate 2L purified water tank. Equipped with 1 PPC filter and 1 RO filter, this countertop reverse osmosis system provides up to 529 gallons of purified water, helping reduce reliance on disposable plastic bottles while lowering long-term drinking water costs
$ 319.99
free delivery
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15% discount
Philips Tankless Reverse Osmosis System, 600 GPD, Self-Cleaning RO System
[Philips Installation Fit Support]: Fits standard 1/2" NPT/T-valve connections. For 3/8" or other fitting sizes, contact Philips Support for a free adapter. Two filters are included. For replacements, search AUT831 and AUT854R600
$ 297.99
$ 349.98
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15% discount
Frizzlife M800 Non-Electric Tankless Reverse Osmosis Water Filter, up to 900GPD Under Sink RO Water Filtration System, Huge Filter with Auto Flush, NSF/ANSI 58&372, 4:1 Pure to Drain
Pre-Purchase Check! The dimensions of the M800 are 14.5"L x 5.1"W x 19.7"H, ensure you have sufficient under-sink space for M800.
$ 271.99
$ 319.99
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iSpring F28K75 NSF Certified 3-Year Replacement Set for 6-Stage Reverse Osmosis RO Systems with Alkaline Mineral Filter, 28 Pieces, White
Experience clean, safe, and good-tasting water every time you turn on the faucet; Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water
$ 160.60
free delivery
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PR1-P Countertop Reverse Osmosis Water Filter System, 5 Stage RO Filtration
Purevua
$ 249.99
free delivery
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Ivation H2O 600 GPD, Reverse Osmosis Under Sink, Tankless Water Purifier, Home Kitchen Drinking Water Filtration TDS System with 8-Stage Filter NSF/ANSI 42, 58 & 372 Certified, Smart LED Faucet
Ivation
$ 199.99
free delivery
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5% discount
Vancepic Reverse Osmosis System, 600 GPD Tankless RO Water Filter Alkaline
【FAST & TANKLESS DESIGN】: Say goodbye to bulky tanks and long wait times. The V600 features a compact tankless design that fits perfectly under your sink, saving 70% more space than traditional systems. With a 0.42 GPM (1.57L/min) flow rate, you get instant access to fresh, purified water for cooking and drinking without the clutter.
$ 189.99
$ 199.99
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PureDrop PDR-100HRO Tankless Under Sink RO System with Auto-Fill Pitcher
Advanced 0.0001-Micron RO Filtration: Powered by a high-performance 100 GPD reverse osmosis membrane that reduces up to 99% of common contaminants such as lead, chlorine, fluoride, arsenic, PFAS, asbestos, calcium, sodium, and more, delivering clean, great-tasting water for your family.
$ 269.99
free delivery
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Express Water NSF Certified Reverse Osmosis Water Filter System, Chrome Faucet, Extra 4 Filters, Under Sink 5-Stage RO Drinking System – High Capacity 50 Gallons Per Day, Fast Flow, 3.2 Gallon Tank
REVERSE OSMOSIS SYSTEM: Ditch the pitcher water filter. Experience what water should taste like with the Express Water reverse osmosis water filtration system reducing up to 99.99% of Lead, Chlorine, Fluoride, PFAs/PFOs, Calcium, Arsenic, and much more.
$ 276.63
free delivery
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iSpring RO800G Tankless Reverse Osmosis System, 800 GPD Under Sink Water Filter with 2.5:1 Pure to Drain Ratio, TDS & PFAS Reduction, Space Saving Design, Includes Brushed Nickel Faucet
Next Generation 800 GPD RO System: The iSpring RO800G is a next-generation tankless reverse osmosis water filtration system, built for high-demand households and light commercial use. Featuring a fast water flow rate of up to 0.6 GPM, this 800 GPD RO system meets the needs of families, offices, coffee shops, and more. With automatic pre-flush technology and filter life reminders, it ensures stable performance and consistent water quality
$ 490.99
free delivery
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COMFEE' CMP10 5-Stage Reverse Osmosis Under Sink Water Filter System
Noted: Iteration of new and old products, transparent and opaque random distribution Reverse Osmosis System: COMFEE’ 5 stage reverse osmosis system effectively filters out heavy metals (e.g. Lead, Cadmium, and Chrome), organic matter, harmful substances, and 1000+ impurities, with a precision of 0.0001 microns. The RO water filter system gives you clear, clean, odorless water with a TDS reduction rate which is more than 90%.
$ 169.99
free delivery
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5% discount
VIOMI V8 PRO 800GPD Under Sink RO System, Tankless RO Water Filtration
[Flexible Installation & Refrigerator Compatibility] Need filtered water for your fridge or ice maker? Viomi V8 Pro reverse osmosis water filtration system can supply purified water to a separate line—simply connect using standard tubing (not included). Setup requires a standard outlet and two drilled holes (1"-1.5" for the LCD smart faucet, 1/4" for drain). If you have a garbage disposer, this under sink water filter needs its own dedicated outlet—it cannot share the switched disposer outlet. For compatibility with other faucets, please contact customer care.
$ 399.98
$ 419.99
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VIOMI Master M1 1000 GPD Alkaline Mineralized pH+ Reverse Osmosis System
VIOMI
$ 899.99
free delivery
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iSpring RCC100P High Capacity 5-Stage Under Sink Water Filter Reverse Osmosis RO Drinking Water Filtration System, 100 GPD Performance-boosted, Patented Top-Mounted Faucet Design for Easy Installation
[HIGH CAPACITY]: 100 GPD water filter for sink RCC100P for safer, healthier drinking water. This under sink water filter and water softener reduces up to 99% of over 1,000 contaminants, including PFAS (includes PFOA and PFOS), lead (reduces up to 98% of lead), chlorine, fluoride, arsenic, hormones, asbestos, calcium, sodium and more.
$ 310.49
free delivery
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5% discount
Waterdrop T3-M Remineralization Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 9-Stage, 450 GPD Tankless RO Water Filtration System, 2:1 Pure to Drain (Renewed)
[PROFESSIONALLY REFURBISHED] Professionally inspected, tested, cleaned, and restored by our expert team, this under sink water filter system is renewed to meet our strict quality standards for reliable daily use
$ 189.98
$ 199.99
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We have found a total of 147 reverse osmosis systems deals for you at amazon, Tractor Supply Company, Zoro, and other shops. The most popular brands are: iSpring, Waterdrop, and APEC WATER. Today's offer is APEC Water ROES-PH75, 6-Stage Under Sink RO System, Alkaline, 75 GPD with 36% discount. The lowest price we found in our deals is $ 150.09 . The highest price in our price comparison is $ 2,399.00 . Currently, we have selected 7 reliable shops for you to buy reverse osmosis systems affordably.