Reverse osmosis systems in comparison
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Last updated on 17.10.2026
1
APEC Water ROES-PH75, 6-Stage Under Sink RO System, Alkaline, 75 GPD
APEC WATER
36% off
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9,9
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2
Waterdrop G3P600 Tankless Reverse Osmosis Water Filter System, 600 GPD
Waterdrop
19% off
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9,8
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3
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
iSpring
20% off
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9,7
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4
DREO Reverse Osmosis Water Filter System Countertop, RO Water Filter 112 3L
DREO
10% off
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9,6
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5
Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System
Bluevua
10% off
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9,6
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6
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
Home Master
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9,3
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7
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
EXPRESS WATER
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9,3
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8
GLACIER FRESH GFU03 Electric-Free Reverse Osmosis Water Filter 800 GPD | Non‑Electric, 3:1 Pure to Drain, 5-Stage Under Sink RO Water Filter System, Reduces PFAS, Lead & TDS, 0.0001μm RO Membrane
GLACIER FRESH
26% off
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9,3
Offer ends in:
03Days
17hours
05minutes
28seconds
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9
VIOMI V6 600GPD Under Sink Tankless Reverse Osmosis Water Filtration System
VIOMI
29% off
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9,3
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10
Geekpure 6 Stage Reverse Osmosis RO Drinking Water Filter System-75GPD
Geekpure
5% off
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9,2
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You might also be interested in these reverse osmosis systems.
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 shipping
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5% off
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.
$ 451.25
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15% off
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
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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
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13% off
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
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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
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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
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24% off
Brio SIMPL Reverse Osmosis Water Filter System, 4-Stage, 800 GPD | Tankless reverse osmosis system, under sink water filter, 0.0001 micron RO Filtration reduces PFAS, VOCs & heavy metals
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
$ 228.23
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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
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18% off
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
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50% off
Aquasana SmartFlow Reverse Osmosis System | 90 Contaminants | AQ-SFRO2-BN
WQA Certified Performance - Meets NSF/ANSI standards 42, 53, 58, and 401. Effectively reduces up to 99.99% of harmful contaminants including fluoride, chromium 6, TDS, microplastics, PFAS, asbestos, mercury, chlorine, pharmaceuticals, and lead.
$ 239.99
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6% off
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
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