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FaucetsMore Top BrandsAir QualityAir ToolsBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBrackets and Angle IronsElectrical ToolsElectronic Communication ComponentsEvaporative Coolers and PartsGuttering & DrainageHand ToolsKitchen Fixtures and MaterialsKitchen PlumbingKrausLight BulbsMechanics ToolsPersonal PreparednessPipes, Fittings & AccessoriesShop Plumbing by FixtureThermostatsValves & Valve RepairWater DispensersWater FiltersWater Filtration & Water SoftenersWater Heaters, Pumps & TanksWater JugsWildfire Prep
Ro Purifiers(188)
Uses item details. Price when purchased online
iSpring RCC7AK, NSF Certified 6-Stage Reverse Osmosis System, 75 GPD, Alkaline pH+ Remineralization RO Water Filter System Under Sink, Patented Top-Mounted Faucet Design for Easy Installation $234.99
Sponsored
$23499
current price $234.99iSpring RCC7AK, NSF Certified 6-Stage Reverse Osmosis System, 75 GPD, Alkaline pH+ Remineralization RO Water Filter System Under Sink, Patented Top-Mounted Faucet Design for Easy Installation
1614.8 out of 5 Stars. 161 reviews
iSpring RCC7AK-UV, NSF Certified 7-Stage Under Sink Reverse Osmosis Water Filtration System, Alkaline Remineralization and UV Filter, Patented Top-Mounted Faucet Design for Easy Installation $335.98
Sponsored
$33598
current price $335.98iSpring RCC7AK-UV, NSF Certified 7-Stage Under Sink Reverse Osmosis Water Filtration System, Alkaline Remineralization and UV Filter, Patented Top-Mounted Faucet Design for Easy Installation
294.8 out of 5 Stars. 29 reviews
iSpring RO500-BN, NSF Certified Tankless RO Reverse Osmosis Water Filtration System, 500 GPD Fast Flow, Brushed Nickel Faucet, 2:1 Pure to Drain Ratio, White $625.06
Sponsored
$62506
current price $625.06iSpring RO500-BN, NSF Certified Tankless RO Reverse Osmosis Water Filtration System, 500 GPD Fast Flow, Brushed Nickel Faucet, 2:1 Pure to Drain Ratio, White
594.8 out of 5 Stars. 59 reviews
AquaTru Under Sink RO Water Purifier | Certified 4-Stage Ultra Reverse Osmosis Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | High-Capacity Design with Faucet $375.00
Sponsored
$37500
current price $375.00AquaTru Under Sink RO Water Purifier | Certified 4-Stage Ultra Reverse Osmosis Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | High-Capacity Design with Faucet
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Reduced price Countertop Reverse Osmosis Water Purifier with 6-Stage RO Filtration, Mineralization, and Smart Display Hydrofast B100 $199.99 Was $299.99
Now$19999
current price Now $199.99, Was $299.99$299.99
Countertop Reverse Osmosis Water Purifier with 6-Stage RO Filtration, Mineralization, and Smart Display Hydrofast B100
VonWater 528Gallon Countertop Reverse Osmosis Water Filter System, 7 Stage RO Purifier with UV, 3:1 Pure to Drain Water Filtration System $225.00
$22500
current price $225.00VonWater 528Gallon Countertop Reverse Osmosis Water Filter System, 7 Stage RO Purifier with UV, 3:1 Pure to Drain Water Filtration System
45 out of 5 Stars. 4 reviews
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 Upgraded $299.99 Was $359.99
Now$29999
current price Now $299.99, Was $359.99$359.99
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 Upgraded
11 out of 5 Stars. 1 reviews
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5-Stage Reverse Osmosis Water Filter System - 75 GPD RO Drinking Water Purifier with Auto Shut-Off Leak Detector - High-Efficiency Home Filter for Removing 1000+ Contaminants,$$Tools & Hardware Other $201.12
$20112
current price $201.125-Stage Reverse Osmosis Water Filter System - 75 GPD RO Drinking Water Purifier with Auto Shut-Off Leak Detector - High-Efficiency Home Filter for Removing 1000+ Contaminants,$$Tools & Hardware Other
Slevoo Reverse Osmosis Water Filter Countertop, 6 Stage Ro Water Filtration System with Glass Pitcher, 4:1 Pure to Drain & TDS Displaying, Blue Grey $135.99 Was $168.99
Now$13599
current price Now $135.99, Was $168.99$168.99
Slevoo Reverse Osmosis Water Filter Countertop, 6 Stage Ro Water Filtration System with Glass Pitcher, 4:1 Pure to Drain & TDS Displaying, Blue Grey
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PURA HOME Countertop Reverse Osmosis Water Filter System, 8-Stage RO Water Purifier with Alkaline Mineral Enhancement, NSF/ANSI 58 Certified, Installation-Free Water Dispenser for Home and RV $359.99
$35999
current price $359.99PURA HOME Countertop Reverse Osmosis Water Filter System, 8-Stage RO Water Purifier with Alkaline Mineral Enhancement, NSF/ANSI 58 Certified, Installation-Free Water Dispenser for Home and RV
AquaTru Under Sink Alkaline RO Water Purifier | Certified 4-Stage Ultra Reverse Osmosis Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | Adds Minerals | High-Capacity with Fauce $395.00
Sponsored
$39500
current price $395.00AquaTru Under Sink Alkaline RO Water Purifier | Certified 4-Stage Ultra Reverse Osmosis Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | Adds Minerals | High-Capacity with Fauce
44 out of 5 Stars. 4 reviews
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iSpring RCC1UP-AK 100GPD Under Sink 7-Stage Reverse Osmosis RO Drinking Filtration System and Water Filter for Sink with Alkaline Remineralization, Booster Pump and UV Ultraviolet Filter, White $449.99
Sponsored
$44999
current price $449.99iSpring RCC1UP-AK 100GPD Under Sink 7-Stage Reverse Osmosis RO Drinking Filtration System and Water Filter for Sink with Alkaline Remineralization, Booster Pump and UV Ultraviolet Filter, White
344.8 out of 5 Stars. 34 reviews
Bluevua RO100ROPOT Reverse Osmosis System Countertop Water Filter, 5 Stage Purification, Counter RO Filtration, 2:1 Pure to Drain, Purified Tap Water, Portable Water Purifier for Home C113 $538.20
$53820
current price $538.20Bluevua RO100ROPOT Reverse Osmosis System Countertop Water Filter, 5 Stage Purification, Counter RO Filtration, 2:1 Pure to Drain, Purified Tap Water, Portable Water Purifier for Home C113
5 Stage Reverse Osmosis Drinking Water Filter System RO Under Sink Home Purifier $177.00
$17700
current price $177.005 Stage Reverse Osmosis Drinking Water Filter System RO Under Sink Home Purifier
11 out of 5 Stars. 1 reviews
Reverse Osmosis Water Purifier Narrow Body Design, 7-Stage Filtration, 3-Second Heating & UV Sterilization for Safe, Healthy Drinking Water JIMMY R9 $349.00
$34900
current price $349.00Reverse Osmosis Water Purifier Narrow Body Design, 7-Stage Filtration, 3-Second Heating & UV Sterilization for Safe, Healthy Drinking Water JIMMY R9
VonWater 600GPD Tankless Under Sink Reverse Osmosis Water Filter System, 5 Stage RO Filtration System, 2:1 Pure to Drain, RO Water Filtration System, Reduce TDS, NSF/ANSI 372 Listed $105.90 Was $239.00
Now$10590
current price Now $105.90, Was $239.00$239.00
VonWater 600GPD Tankless Under Sink Reverse Osmosis Water Filter System, 5 Stage RO Filtration System, 2:1 Pure to Drain, RO Water Filtration System, Reduce TDS, NSF/ANSI 372 Listed
24.5 out of 5 Stars. 2 reviews
Bluevua RO100ROPOT-LITE Countertop Reverse Osmosis Water Filter System, 5 Stage Purification, 3:1 Pure to Drain, Portable Water Purifier (No Installation Required) (Blue) C113 $376.20
$37620
current price $376.20Bluevua RO100ROPOT-LITE Countertop Reverse Osmosis Water Filter System, 5 Stage Purification, 3:1 Pure to Drain, Portable Water Purifier (No Installation Required) (Blue) C113
AquaTru Under Sink Alkaline RO Water Purifier | Certified 4-Stage Ultra Reverse Osmosis Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | Adds Minerals | High-Capacity with Fauce $395.00
$39500
current price $395.00AquaTru Under Sink Alkaline RO Water Purifier | Certified 4-Stage Ultra Reverse Osmosis Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | Adds Minerals | High-Capacity with Fauce
44 out of 5 Stars. 4 reviews
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Express Water Alkaline Ultraviolet Reverse Osmosis Water Filtration System - 11 Stage RO UV Mineralizing Alkaline Purifier with Faucet and Tank - Under Sink Filter Mineral, pH + Antioxidant - 100 GPD $298.99
$29899
current price $298.99Express Water Alkaline Ultraviolet Reverse Osmosis Water Filtration System - 11 Stage RO UV Mineralizing Alkaline Purifier with Faucet and Tank - Under Sink Filter Mineral, pH + Antioxidant - 100 GPD
1734.9 out of 5 Stars. 173 reviews
VonWater CT910GH Reverse Osmosis Water Filter Countertop, 3S Instant Hot RO Water Filtration System, 7-Stage Water Purifier Removable Pitcher, NSF/ANSI 372, Reduce TDS PFAS, No Installation $259.99
$25999
current price $259.99VonWater CT910GH Reverse Osmosis Water Filter Countertop, 3S Instant Hot RO Water Filtration System, 7-Stage Water Purifier Removable Pitcher, NSF/ANSI 372, Reduce TDS PFAS, No Installation
15 out of 5 Stars. 1 reviews
PureDrop RTW5U Reverse Osmosis RO Water Filter System with UV Filter, Ultraviolet Under Sink RO Water Filtration System, 6 Stage UV Under Sink RO Water Filter with Faucet, TDS Reduction, White $206.06
Sponsored
$20606
current price $206.06PureDrop RTW5U Reverse Osmosis RO Water Filter System with UV Filter, Ultraviolet Under Sink RO Water Filtration System, 6 Stage UV Under Sink RO Water Filter with Faucet, TDS Reduction, White
iSpring RO600ORB Tankless RO Reverse Osmosis Water Filtration System, 600 GPD Fast Flow, Oil Rubbed Black Faucet, 2.5:1 Pure to Drain Ratio $449.99 Was $594.49
Sponsored
Now$44999
current price Now $449.99, Was $594.49$594.49
iSpring RO600ORB Tankless RO Reverse Osmosis Water Filtration System, 600 GPD Fast Flow, Oil Rubbed Black Faucet, 2.5:1 Pure to Drain Ratio
15 out of 5 Stars. 1 reviews
VonWater CT910 Countertop Reverse Osmosis Water Filter System, 7-Stage RO Water Filtration System, 528 Gallons Water Purifier, NSF/ANSI 372, Reduce TDS PFAS, No Installation $229.99
$22999
current price $229.99VonWater CT910 Countertop Reverse Osmosis Water Filter System, 7-Stage RO Water Filtration System, 528 Gallons Water Purifier, NSF/ANSI 372, Reduce TDS PFAS, No Installation
74.4 out of 5 Stars. 7 reviews
AquaTru Under Sink RO Water Purifier | Certified 4-Stage Ultra Reverse Osmosis Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | High-Capacity Design with Faucet $375.00
$37500
current price $375.00AquaTru Under Sink RO Water Purifier | Certified 4-Stage Ultra Reverse Osmosis Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | High-Capacity Design with Faucet
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PureDrop RTW5U Reverse Osmosis RO Water Filter System with UV Filter, Ultraviolet Under Sink RO Water Filtration System, 6 Stage UV Under Sink RO Water Filter with Faucet, TDS Reduction, White $206.06
$20606
current price $206.06PureDrop RTW5U Reverse Osmosis RO Water Filter System with UV Filter, Ultraviolet Under Sink RO Water Filtration System, 6 Stage UV Under Sink RO Water Filter with Faucet, TDS Reduction, White
Geekpure 5-Stage Reverse Osmosis Water Filter System-75GPD Under Sink RO system $145.99 Was $169.99
Now$14599
current price Now $145.99, Was $169.99$169.99
Geekpure 5-Stage Reverse Osmosis Water Filter System-75GPD Under Sink RO system
1414.4 out of 5 Stars. 141 reviews
Express Water ROC001 UV Countertop Water Filter System Hot, Room, Ambient Reverse Osmosis Water Filter System 5 Stage RO Water Filter System with UV Water Purifier No Installation Required $299.99
$29999
current price $299.99Express Water ROC001 UV Countertop Water Filter System Hot, Room, Ambient Reverse Osmosis Water Filter System 5 Stage RO Water Filter System with UV Water Purifier No Installation Required
344.6 out of 5 Stars. 34 reviews
APEC ROCT-PLUS Countertop Reverse Osmosis System, Efficient RO Filter 3:1 Pure/Drain, Instant Hot Water, UV Filtration $417.99
$41799
current price $417.99APEC ROCT-PLUS Countertop Reverse Osmosis System, Efficient RO Filter 3:1 Pure/Drain, Instant Hot Water, UV Filtration
134.1 out of 5 Stars. 13 reviews
Express Water Alkaline Reverse Osmosis Water Filtration System 10 Stage RO Mineralizing Purifier Mineral, pH +, Antioxidant Under Sink Water Filter with Remineralization 50 GDP $209.99
$20999
current price $209.99Express Water Alkaline Reverse Osmosis Water Filtration System 10 Stage RO Mineralizing Purifier Mineral, pH +, Antioxidant Under Sink Water Filter with Remineralization 50 GDP
2064.9 out of 5 Stars. 206 reviews
Ecoviva EM5 Countertop Reverse Osmosis Water Filter, 8-Stage RO with Alkaline Mineralization, 40oz Glass Pitcher, Compact, Installation-Free, 13.6" x 12.4" x 6.8", Home & RV From $259.99
From$25999
Ecoviva EM5 Countertop Reverse Osmosis Water Filter, 8-Stage RO with Alkaline Mineralization, 40oz Glass Pitcher, Compact, Installation-Free, 13.6" x 12.4" x 6.8", Home & RV
NU Aqua Platinum Series 7 Stage Alkaline and UV Ultraviolet 100GPD RO System $299.95
Sponsored
$29995
current price $299.95NU Aqua Platinum Series 7 Stage Alkaline and UV Ultraviolet 100GPD RO System
35 out of 5 Stars. 3 reviews
NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System $255.95
Sponsored
$25595
current price $255.95NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System
15 out of 5 Stars. 1 reviews
Best seller SimPure 5-Stage Reverse Osmosis Replacement Filter Set with 100 GPD RO Membrane, 5pc Pre & Post Replacement Cartridge Pack Kit for Standard 5-Stage Reverse Osmosis RO Systems From $42.99
From$4299
SimPure 5-Stage Reverse Osmosis Replacement Filter Set with 100 GPD RO Membrane, 5pc Pre & Post Replacement Cartridge Pack Kit for Standard 5-Stage Reverse Osmosis RO Systems
1484.1 out of 5 Stars. 148 reviews
Bluevua RO100ROPOT-Travel Reverse Osmosis System Countertop Water Filter, Compact 6-Stage Filtration with UV, Includes Glass Bottle, Portable Water Purifier for Home & Travel, Blue C113 $286.20
$28620
current price $286.20Bluevua RO100ROPOT-Travel Reverse Osmosis System Countertop Water Filter, Compact 6-Stage Filtration with UV, Includes Glass Bottle, Portable Water Purifier for Home & Travel, Blue C113
PureDrop RTW5AK-UV Reverse Osmosis RO Drinking Water Filtration System with Alkaline Remineralization & UV Filter, RO Water Filter System Under Sink, 7 Stage Under Sink RO Water Filter with Faucet $258.01 Was $346.55
Now$25801
current price Now $258.01, Was $346.55$346.55
PureDrop RTW5AK-UV Reverse Osmosis RO Drinking Water Filtration System with Alkaline Remineralization & UV Filter, RO Water Filter System Under Sink, 7 Stage Under Sink RO Water Filter with Faucet
APEC Tankless RO Water Filter System ROTL-AIO - Four-in-One Premium Reverse Osmosis Water Filtration, 2:1 Pure to Drain, Filters Fluoride, Heavy Metals, 1K+ Impurities, Easy DIY Install & Care $374.99
$37499
current price $374.99APEC Tankless RO Water Filter System ROTL-AIO - Four-in-One Premium Reverse Osmosis Water Filtration, 2:1 Pure to Drain, Filters Fluoride, Heavy Metals, 1K+ Impurities, Easy DIY Install & Care
444.3 out of 5 Stars. 44 reviews
Luku RO System 600 GPD Water Filter, Under-Sink Tankless Reverse Osmosis System
Luku RO System 600 GPD Water Filter, Under-Sink Tankless Reverse Osmosis System
VonWater 800GPD Tankless Reverse Osmosis Water Filter System, 2:1 Pure to Drain Under Sink RO Water Filtration System with Extra RO, PPC Filter $219.00
$21900
current price $219.00VonWater 800GPD Tankless Reverse Osmosis Water Filter System, 2:1 Pure to Drain Under Sink RO Water Filtration System with Extra RO, PPC Filter
JIMMY R9 Reverse Osmosis Countertop Water Filter | 7-Stage Purification with Remineralization & UV Sterilization | Portable Water Purifier | 3s Instant Heat (7 Temperatures) | 3:1 Pure to Drain Ratio $389.99
$38999
current price $389.99JIMMY R9 Reverse Osmosis Countertop Water Filter | 7-Stage Purification with Remineralization & UV Sterilization | Portable Water Purifier | 3s Instant Heat (7 Temperatures) | 3:1 Pure to Drain Ratio
3M 4US-RO-S01H Reverse Osmosis Drinking Water Filter System $100.99
$10099
current price $100.993M 4US-RO-S01H Reverse Osmosis Drinking Water Filter System
194.3 out of 5 Stars. 19 reviews
Ecoviva 5L WM3 Countertop RO Water Purifier with Extra PCR Filter, No-Installation Reverse Osmosis System with 7-Stage Filtration and 3:1 Ratio, Includes Alkaline Pitcher, Blue $245.99
$24599
current price $245.99Ecoviva 5L WM3 Countertop RO Water Purifier with Extra PCR Filter, No-Installation Reverse Osmosis System with 7-Stage Filtration and 3:1 Ratio, Includes Alkaline Pitcher, Blue
VonWater Cold & Instant Hot Countertop Reverse Osmosis Water Filter System, 528Gallon RO Water Purifier with Portable Pitcher, 3:1 Pure to Drain, 7 Stage RO Dispenser, NSF/ANSI 372&42&58 Standard $499.00
$49900
current price $499.00VonWater Cold & Instant Hot Countertop Reverse Osmosis Water Filter System, 528Gallon RO Water Purifier with Portable Pitcher, 3:1 Pure to Drain, 7 Stage RO Dispenser, NSF/ANSI 372&42&58 Standard
Geekpure 4 Stage Reverse Osmosis RO Drinking Water Filter System with Quick Change Filters -100 GPD $125.99
$12599
current price $125.99Geekpure 4 Stage Reverse Osmosis RO Drinking Water Filter System with Quick Change Filters -100 GPD
11 out of 5 Stars. 1 reviews
Yescom 5-Stage Home Healthy Drinking Water RO Reverse Osmosis System and Extra 8 Water Filters 100 GPD $169.90
$16990
current price $169.90Yescom 5-Stage Home Healthy Drinking Water RO Reverse Osmosis System and Extra 8 Water Filters 100 GPD
144.3 out of 5 Stars. 14 reviews
Under-Sink & Countertop Reverse Osmosis System - 800GPD 7-Stage Tankless Design, 0.0001m PFAS/PFOA Reduction, Tankless RO Water Purifier System for Drinking Water, 3:1 Pure-to-Drain, Upgrated Model $199.00
$19900
current price $199.00Under-Sink & Countertop Reverse Osmosis System - 800GPD 7-Stage Tankless Design, 0.0001m PFAS/PFOA Reduction, Tankless RO Water Purifier System for Drinking Water, 3:1 Pure-to-Drain, Upgrated Model
Countertop Reverse Osmosis Water Filtration System 4 Stage RO Water Filter with Faucet Simple Set Up Faucet Filter Express Water $164.99
$16499
current price $164.99Countertop Reverse Osmosis Water Filtration System 4 Stage RO Water Filter with Faucet Simple Set Up Faucet Filter Express Water
744.8 out of 5 Stars. 74 reviews
Envig LED UV Ultraviolet Water Filter Purifier Large Flow 2.11GPM for Kitchen Water, RV, Boat, Under Sink, Reverse Osmosis RO System, Reduce up to 99.99% Bacteria, Stainless Steel, Mercury Free $499.99
$49999
current price $499.99Envig LED UV Ultraviolet Water Filter Purifier Large Flow 2.11GPM for Kitchen Water, RV, Boat, Under Sink, Reverse Osmosis RO System, Reduce up to 99.99% Bacteria, Stainless Steel, Mercury Free
PREMIER RO-PERM Boosted Performance with Permeate Pump Ultra Safe Reverse Osmosis Drinking Water Filter System, for Low Pressure Homes $199.99
$19999
current price $199.99PREMIER RO-PERM Boosted Performance with Permeate Pump Ultra Safe Reverse Osmosis Drinking Water Filter System, for Low Pressure Homes
AquaTru Carafe Alkaline Countertop Water Purifier | Certified 4-Stage RO System Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | Adds Healthy Minerals | No Plumbing $395.00
$39500
current price $395.00AquaTru Carafe Alkaline Countertop Water Purifier | Certified 4-Stage RO System Removes 84 Contaminants Including Forever Chemicals, Lead & Fluoride | Adds Healthy Minerals | No Plumbing
324.6 out of 5 Stars. 32 reviews
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Hydroponic REVERSE OSMOSIS RO WATER FILTRATION SYSTEM 300 GPD $299.99
$29999
current price $299.99Hydroponic REVERSE OSMOSIS RO WATER FILTRATION SYSTEM 300 GPD
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