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10 Best countertop reverse osmosis systems of 2025

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  • Best Choice

    1

    Philips Reverse Osmosis Water Filter Countertop, 6-Stage RO Water Filtration System with Aquaporin Inside and 2 Portable Pitchers, NSF/ANSI 372 Certified, Reduce TDS Lead (NO HOT or Cold Water)
    Clicked 1,066 times in the last month
    PHILIPS

    Philips Reverse Osmosis Water Filter Countertop, 6-Stage RO Water Filtration System with Aquaporin Inside and 2 Portable Pitchers, NSF/ANSI 372 Certified, Reduce TDS Lead (NO HOT or Cold Water)

    • Filtration Stages:6-Stage Deep Filtration
    • Installation Type:Plug-and-play easy set-up
    • Maintenance Frequency:Maximum 12-month lifespan
    • Dimensions:12.8 x 9.1 x 16.5 inches
    • Contaminants Removed:Impurities as small as 0.0001 micron
    9.8
    Exceptional
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  • Value for Money

    2

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

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

    • 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
    9.6
    Exceptional

  • 3

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

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

    40% 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

  • 4

    Countertop Reverse Osmosis System Water Filter with UV, 5:1 Pure to Drain, 5 Stage RO Water Filtration, Portable No Installation Water Purifier, Countertop Filtration for Home, Off-White
    Aigerri

    Countertop Reverse Osmosis System Water Filter with UV, 5:1 Pure to Drain, 5 Stage RO Water Filtration, Portable No Installation Water Purifier, Countertop Filtration for Home, Off-White

    25% Off
    9.2
    Excellent

  • 5

    SimPure Y9A Countertop Reverse Osmosis Water Filter, Alkaline Remineralization 300 GPD 6 Stage Purification, RO Water Filtration System, Super Fast Filtering Portable Water Purifier
    SimPure

    SimPure Y9A Countertop Reverse Osmosis Water Filter, Alkaline Remineralization 300 GPD 6 Stage Purification, RO Water Filtration System, Super Fast Filtering Portable Water Purifier

    22% Off
    9.1
    Excellent
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  • 6

    Stokk E1 Reverse Osmosis Water Filter Countertop, 5 Stage RO Water Filter System with Remineralization Glass Pitcher, NSF/ANSI 58&372, Portable No Installation Water Purifier for Home Office
    Stokk

    Stokk E1 Reverse Osmosis Water Filter Countertop, 5 Stage RO Water Filter System with Remineralization Glass Pitcher, NSF/ANSI 58&372, Portable No Installation Water Purifier for Home Office

    25% Off
    • Filtration Stages:Activated carbon, RO membrane
    • Installation Type:No installation needed
    • Maintenance Frequency:10-24 months
    • Dimensions:13.5 x 7.24 x 12.52 inches
    • Contaminants Removed:Chlorine, fluoride, heavy metals
    9.0
    Excellent

  • 7

    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)

    • 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
    8.7
    Very Good

  • 8

    UV Countertop Reverse Osmosis Water Filter System, 8 Stage Water Purifier, 7L Large Water Tank for Home, 4:1 Pure to Drain, Reduce TDS PFAS, BPA Free (No Installation Required), White
    topzee

    UV Countertop Reverse Osmosis Water Filter System, 8 Stage Water Purifier, 7L Large Water Tank for Home, 4:1 Pure to Drain, Reduce TDS PFAS, BPA Free (No Installation Required), White

    8.6
    Very Good

  • 9

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

    24% Off
    8.5
    Good

  • 10

    VonWater 7-Stage Countertop Reverse Osmosis Water Filter System, 528 Gallons RO Water Filtration with Portable Pitcher, NSF/ANSI 372,53, Reduce TDS PFAS, 5 Volume Settings, 3:1 Pure to Drain CT910
    VonWater

    VonWater 7-Stage Countertop Reverse Osmosis Water Filter System, 528 Gallons RO Water Filtration with Portable Pitcher, NSF/ANSI 372,53, Reduce TDS PFAS, 5 Volume Settings, 3:1 Pure to Drain CT910

    36% Off
    • Filtration Stages:All-in-1 filter
    • Installation Type:No installation required
    • Maintenance Frequency:Up to 12 months
    • Dimensions:8.2 x 13.4 x 15.3 inches
    • Contaminants Removed:TDS, PFOA, PFOS, lead
    8.3
    Good