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Reverse Osmosis Filters & Systems

Reverse Osmosis: a water purification technology that utilizes a semi-permeable membrane to remove microscopic particles (typically anything larger than 0.001 microns in size) from drinking water.

Select what type of reverse osmosis filter part you’re searching for (system, filter, etc.) and browse or search through hundreds of our reverse osmosis water filters, systems, membranes, and other water filter parts. Choose from some of the industry’s top reverse osmosis brands including, Watts®, Hydrologic, Hydrotech, and Water Factory Systems.

Not sure if investing in a reverse osmosis water filter is what you want, then check out our thousands of other popular water filters, including whole house, under sink, faucet filters, and many more.

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Items 1 to 48 of 77 total

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  • CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System
  • RO-3500 Pentek Reverse Osmosis Filter System
  • RO-PL5000 PuROLine Reverse Osmosis Filter System

    RO-PL5000 PuROLine Reverse Osmosis Filter System

    $232.39
    MSRP: $318.99
    Save 27%
  • PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  • PT4000T50-SS-AG PuROTwist PuROTwist Reverse Osmosis Filter System
  • 5EZ-50 Valueline Reverse Osmosis Filter System

    5EZ-50 Valueline Reverse Osmosis Filter System

    $179.99
    MSRP: $186.29
    Save 3%
  • 66-1311 Water Factory Systems Reverse Osmosis Membrane

    66-1311 Water Factory Systems Reverse Osmosis Membrane

    $365.99
    MSRP: $488.74
    Save 25%
  • 66-1315 Water Factory Systems Reverse Osmosis Membrane

    66-1315 Water Factory Systems Reverse Osmosis Membrane

    $529.99
    MSRP: $611.79
    Save 13%
  • 66-4311 Water Factory Systems Reverse Osmosis Membrane

    66-4311 Water Factory Systems Reverse Osmosis Membrane

    $359.29
    MSRP: $693.99
    Save 48%
  • 66-4506G2 Water Factory Systems Countertop Reverse Osmosis Membrane
  • 3MROM413-20A Water Factory Systems TFC Reverse Osmosis Membrane
  • 66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    66-8709G2 Water Factory Systems Reverse Osmosis Membrane

    $188.09
    MSRP: $251.99
    Save 25%
  • SQC-3 Water Factory Systems Reverse Osmosis Filter System

    SQC-3 Water Factory Systems Reverse Osmosis Filter System

    $389.99
    MSRP: $450.79
    Save 13%
  • SQC-4 Water Factory Systems Reverse Osmosis Filter System

    SQC-4 Water Factory Systems Reverse Osmosis Filter System

    $399.05
    MSRP: $480.69
    Save 17%
  • 4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    $285.99
    MSRP: $324.29
    Save 12%
  • 4VTFC50G Hydrotech Reverse Osmosis Filter System

    4VTFC50G Hydrotech Reverse Osmosis Filter System

    $267.99
    MSRP: $289.79
    Save 8%
  • 4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System

    4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System

    $279.99
    MSRP: $324.29
    Save 14%
  • 4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    $299.99
    MSRP: $335.79
    Save 11%
  • 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System
  • LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System
  • WHER25 Whirlpool Reverse Osmosis Undersink Water Filtration System
  • 31035 Hydrologic Stealth-RO100 Reverse Osmosis Filtration System

    31035 Hydrologic Stealth-150 Reverse Osmosis Filtration System

    $164.99
    MSRP: $225.00
    Save 27%
  • AP-RO5500 3M Aqua-Pure Reverse Osmosis System

    AP-RO5500 3M Aqua-Pure Reverse Osmosis System

    $499.99
    MSRP: $805.99
    Save 38%
  • WROM-230T American Plumber Reverse Osmosis Replacement Membrane
  • WROM-230TN American Plumber Reverse Osmosis Replacement Membrane
  • WROM-25T American Plumber Reverse Osmosis Membrane

    WROM-25T American Plumber Reverse Osmosis Membrane

    $96.99
    MSRP: $113.84
    Save 15%
  • WROR American Plumber Reverse Osmosis Replacement Filter Kit
  • 3M Aqua-Pure RO3RC Reverse Osmosis Pre and Post Filter Set
  • CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    $2,499.99
    MSRP: $2,877.29
    Save 13%
  • CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System

    $5,099.99
    MSRP: $5,867.29
    Save 13%
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99
    MSRP: $226.54
    Save 3%
  • TLC-150EB Desal Encapsulated Reverse Osmosis Membrane
  • RO1000 Hydrologic Evolution Tankless Reverse Osmosis Filter System
  • NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99
    MSRP: $1,152.29
    Save 13%
  • ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    $80.39
    MSRP: $118.99
    Save 32%
  • TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    $80.39
    MSRP: $104.99
    Save 23%
  • TQ56-50FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-50FC PuROTwist Reverse Osmosis Membrane

    $77.09
    MSRP: $113.99
    Save 32%
  • RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  • TFM-50-A Tier1 Reverse Osmosis Membrane

    TFM-50-A Tier1 Reverse Osmosis Membrane

    $45.99
    MSRP: $55.19
    Save 17%
  • WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green
  • 33001033 Hydrotech TFC Reverse Osmosis Membrane

    33001033 Hydrotech TFC Reverse Osmosis Membrane

    $64.99
    MSRP: $82.79
    Save 22%
  • 33001056 Hydrotech TFC Reverse Osmosis Membrane

    33001056 Hydrotech TFC Reverse Osmosis Membrane

    $85.59
    MSRP: $127.99
    Save 33%
  • 33001068 Hydrotech TFC Reverse Osmosis Membrane

    33001068 Hydrotech TFC Reverse Osmosis Membrane

    $54.99
    MSRP: $65.54
    Save 16%
  • 33001071 Hydrotech TFC Reverse Osmosis Membrane

    33001071 Hydrotech TFC Reverse Osmosis Membrane

    $47.49
    MSRP: $60.99
    Save 22%
  • 41400001 Hydrotech CTA Reverse Osmosis Membrane

    41400001 Hydrotech CTA Reverse Osmosis Membrane

    $63.29
    MSRP: $96.99
    Save 35%
  • 41400002 Hydrotech CTA Reverse Osmosis Membrane

    41400002 Hydrotech CTA Reverse Osmosis Membrane

    $54.99
    MSRP: $67.84
    Save 19%
  • 41400004 Hydrotech TFC Reverse Osmosis Membrane

    41400004 Hydrotech TFC Reverse Osmosis Membrane

    $63.99
    MSRP: $74.74
    Save 14%
  • 41400006 Hydrotech TFC Reverse Osmosis Membrane

    41400006 Hydrotech TFC Reverse Osmosis Membrane

    $59.99
    MSRP: $71.29
    Save 16%

Items 1 to 48 of 77 total

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