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10 Best reverse osmosis countertop systems of 2026

Save up to 38% off

  • 1

    Bluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter - 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier
    Clicked 2,061 times in the last week
    Bluevua

    Bluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter - 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier

    10% Off
    • Filtration Stages:4-stage filtration
    • Installation Type:Countertop, no plumbing
    • Maintenance Frequency:12-24 months
    • Dimensions:14.3 x 10.9 x 15.4 inches
    • Contaminants Removed:99.9% of contaminants
    9.8
    Exceptional
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  • 2

    Waterdrop WD-A2 Countertop Reverse Osmosis System, Hot and Cold RO System, Portable Pure Water Tank, Bottleless Water Cooler, 6 Temperature Settings, Hot Cold Room Water, 3:1 Pure to Drain
    Waterdrop

    Waterdrop WD-A2 Countertop Reverse Osmosis System, Hot and Cold RO System, Portable Pure Water Tank, Bottleless Water Cooler, 6 Temperature Settings, Hot Cold Room Water, 3:1 Pure to Drain

    18% Off
    9.7
    Exceptional

  • 3

    Aigerri Portable Countertop Reverse Osmosis Water Filter with UV, 5-Stage RO Filtration System, No Installation Needed, 5:1 Pure to Drain Ratio, Compact Water Purifier for Home, Office & RV
    Aigerri

    Aigerri Portable Countertop Reverse Osmosis Water Filter with UV, 5-Stage RO Filtration System, No Installation Needed, 5:1 Pure to Drain Ratio, Compact Water Purifier for Home, Office & RV

    20% Off
    9.6
    Exceptional

  • 4

    SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, No Installation, 4: 1 Pure to Drain, Classic Pure Taste
    SimPure

    SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, No Installation, 4: 1 Pure to Drain, Classic Pure Taste

    38% Off
    • Filtration Stages:3-Stages RO
    • Installation Type:Countertop
    • Maintenance Frequency:Quick-change cartridges
    • Dimensions:18D x 8W x 17H
    • Contaminants Removed:Viruses, bacteria, heavy metals
    9.5
    Excellent
    Our Rating

  • 5

    Bluevua RO100ROPOT-Lite(UV) Countertop Reverse Osmosis Water Filter System, 7-Stage Purification with UV and Remineralization, 3:1 Pure to Drain, Portable Water Purifier (Blue)
    Bluevua

    Bluevua RO100ROPOT-Lite(UV) Countertop Reverse Osmosis Water Filter System, 7-Stage Purification with UV and Remineralization, 3:1 Pure to Drain, Portable Water Purifier (Blue)

    14% Off
    • Filtration Stages:7-stage RO system
    • Installation Type:Countertop, no plumbing
    • Maintenance Frequency:Once a year
    • Dimensions:9.7 x 9.5 x 14.1 inches
    • Contaminants Removed:Lead-free, UV light
    9.2
    Excellent
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  • 6

    Waken Electric C11S Reverse Osmosis Water Filtration System Countertop 180oz Water Tank 4:1 Pure to Drain 8 Stage RO Filter No Installation for Home Apartment Condo RV
    Waken Electric

    Waken Electric C11S Reverse Osmosis Water Filtration System Countertop 180oz Water Tank 4:1 Pure to Drain 8 Stage RO Filter No Installation for Home Apartment Condo RV

    9.1
    Excellent

  • 7

    Ecoviva Mate 3 Countertop Reverse Osmosis Water Filter, 8-Stage RO Water Filtration System with 44oz Water Pitcher Smart Auto-Filling, 3:1 Pure to Drain, NSF Certified Tabletop Purifier, Blue
    Ecoviva

    Ecoviva Mate 3 Countertop Reverse Osmosis Water Filter, 8-Stage RO Water Filtration System with 44oz Water Pitcher Smart Auto-Filling, 3:1 Pure to Drain, NSF Certified Tabletop Purifier, Blue

    9.0
    Excellent

  • 8

    SimPure Y7T-A Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, No Installation, 4: 1 Pure to Drain, pH+ Balanced ALK Taste
    SimPure

    SimPure Y7T-A Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, No Installation, 4: 1 Pure to Drain, pH+ Balanced ALK Taste

    33% Off
    8.9
    Very Good

  • 9

    Ecoviva Mate 5 Countertop Reverse Osmosis Water Filter, 8-Stage RO Water Filtration System with 40 oz Water Pitcher, Alkaline Mineralization pH+, Compact Design, Meets NSF/ANSI 58 Standard, Black
    Ecoviva

    Ecoviva Mate 5 Countertop Reverse Osmosis Water Filter, 8-Stage RO Water Filtration System with 40 oz Water Pitcher, Alkaline Mineralization pH+, Compact Design, Meets NSF/ANSI 58 Standard, Black

    8.7
    Very Good

  • 10

    NatureFlow F40-AC（2nd Gen） Reverse Osmosis Water Filter Countertop with UV, Natural Remineralization,10-Stage RO Filtrations, 4:1 Pure to Drain, pH9 Alkaline Water Purifier,BPA Free,NSF/ANSI/UL/FDA
    Natureflow

    NatureFlow F40-AC（2nd Gen） Reverse Osmosis Water Filter Countertop with UV, Natural Remineralization,10-Stage RO Filtrations, 4:1 Pure to Drain, pH9 Alkaline Water Purifier,BPA Free,NSF/ANSI/UL/FDA

    25% Off
    8.6
    Very Good