Updated: January 2025

Countertop Reverse Osmosis Water Filters

Countertop Reverse Osmosis Water Filters

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Written by David Welch

Audited by Eliana Hayes

Written by David Welch

Audited by Eliana Hayes

Written by David Welch

Audited by Eliana Hayes

100+ Products Analyzed

50k Reviews Evaluated

30 Day Returns

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100+ Products Analyzed

50k Reviews Evaluated

30 Day Returns

Trending

K19H Countertop Reverse Osmosis System, Instant Hot Water Dispenser, Reverse Osmosis Water Filter Countertop, 3:1 Pure to... read more

Best Overall Pick

Waterdrop K19H Countertop Reverse Osmosis System, Instant Hot Water Dispenser, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options, 4 Stage, No Installation

Reverse Osmosis Water Filter Countertop,R O Filtration System with 3S Instant Hot, NSF/ANSI 58, EPA, 5 Stage Purifier for Family... read more

WaterFirst Reverse Osmosis Water Filter Countertop, RO Filtration System with 3S Hot, NSF/ANSI 58, SGS, EPA, 5 Stage Purifier for Family, Office, No Installation,Reduce PFAS(Dr.Water)

WD-A1 Countertop Reverse Osmosis System, Hot and Cold Water Dispenser, NSF/ANSI 58 Standard, Bottleless Water Cooler, 6 Temp... read more

WATERDROP WD-A1 Countertop Reverse Osmosis System, Hot and Cold Water Dispenser, NSF/ANSI 58 Standard, Bottleless Water Cooler, 6 Temperature Settings Hot Cold & Room Water, 2:1 Pure to Drain

M1 Reverse Osmosis Countertop Water Purifier, Professional Grade 5-Stage RO Filtration, Purified Tap Water, 3-second Hot or Cool... read more

MELISSANI M1 Reverse Osmosis Countertop Water Purifier, Professional Grade 5-Stage RO Filtration, Purified Tap Water, 3-second Hot or Cool, Portable Water Purification System for Home- No Installation

Some other products we considered

AquaTru Connect Countertop Water Filtration Purification System for PFAS & Other Contaminants with Exclusive 4-Stage Ultra Reverse Osmosis Technology | with App & WiFi Capability

Connect Countertop Water Filtration Purification System for PFAS & Other Contaminants with...

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Waterdrop X16 Tankless Reverse Osmosis System, NSF/ANSI 58&372 Certified, 1600 GPD RO Water Filter System, 11-Stage Filtration UnderSink RO, 3:1 Pure to Drain, Alkaline Mineral pH+, BPA Free

X16 Tankless Reverse Osmosis System, NSF/ANSI 58&372 Certified, 1600 GPD RO Water Filter...

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Waterdrop K19-S Countertop Reverse Osmosis System, 4 Stage Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, Reduce PFAS, No Installation Required, BPA Free

K19-S Countertop Reverse Osmosis System, 4 Stage Reverse Osmosis Water Filter Countertop, 3:1...

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About the Author

David Welch is a mechanical engineer with a passion for reviewing tech. On his free time, he enjoys spending time outdoors with his wife, three children, and german shepherd named Zeus.