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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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  1. CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System

    CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System

    Fits any standard faucet Learn More
    $165.59 MSRP:  $219.99
  2. RO-PL5000 PuROLine Reverse Osmosis Filter System
  3. PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  4. PT4000T50-SS-AG PuROTwist PuROTwist Reverse Osmosis Filter System
  5. 5EZ-50 Valueline Reverse Osmosis Filter System
  6. 66-1311 Water Factory Systems Reverse Osmosis Membrane

    66-1311 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno HP-300 Commercial Reverse Osmosis System Learn More
    $365.99 MSRP:  $488.74
  7. 66-1315 Water Factory Systems Reverse Osmosis Membrane

    66-1315 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno HP-900 Commercial Reverse Osmosis System Learn More
    $529.99 MSRP:  $611.79
  8. 66-4311 Water Factory Systems Reverse Osmosis Membrane

    66-4311 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno LP-80 Commercial Reverse Osmosis System Learn More
    $359.29 MSRP:  $693.99
  9. 66-4506G2 Water Factory Systems Countertop Reverse Osmosis Membrane

    66-4506G2 Water Factory Systems Countertop Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC 30T & SQC 40T reverse osmosis systems Learn More
  10. 3MROM413-20A Water Factory Systems TFC Reverse Osmosis Membrane

    3MROM413-20A Water Factory Systems TFC Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $129.49 MSRP:  $167.99
  11. 66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    66-8709G2 Water Factory Systems Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC PRO C-80 reverse osmosis systems only Learn More
    $188.09 MSRP:  $251.99
  12. SQC-3 Water Factory Systems Reverse Osmosis Filter System
  13. SQC-4 Water Factory Systems Reverse Osmosis Filter System
  14. 4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System
  15. 4VTFC50G Hydrotech Reverse Osmosis Filter System
  16. 4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System
  17. 4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System
  18. 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System

    31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System

    Comes complete with easy installation kit Learn More
    $227.09 MSRP:  $329.99
  19. LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System

    LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System

    Produces up to 40 gallons of the highest quality drinking water daily Learn More
    $999.99 MSRP:  $1152.29
  20. WHER25 Whirlpool Reverse Osmosis Undersink Water Filtration System

    WHER25 Whirlpool Reverse Osmosis Undersink Water Filtration System

    Fits and installs easily beneath standard sized sinks Learn More
  21. 31035 Hydrologic Stealth-RO100 Reverse Osmosis Filtration System

    31035 Hydrologic Stealth-150 Reverse Osmosis Filtration System

    Customized for gardening and hydroponics. Everything included in the box for quick hook-up. Learn More
    $164.99 MSRP:  $225.00
  22. AP-RO5500 3M Aqua-Pure Reverse Osmosis System
  23. WROM-230T American Plumber Reverse Osmosis Replacement Membrane

    WROM-230T American Plumber Reverse Osmosis Replacement Membrane

    Fits American Plumber WRO-3000 Reverse Osmosis System Learn More
    $96.19 MSRP:  $118.99
  24. WROM-230TN American Plumber Reverse Osmosis Replacement Membrane

    WROM-230TN American Plumber Reverse Osmosis Replacement Membrane

    Fits American Plumber WRO-3500 Reverse Osmosis System Learn More
  25. WROM-25T American Plumber Reverse Osmosis Membrane

    WROM-25T American Plumber Reverse Osmosis Membrane

    Fits the American Plumber WRO-4500 Learn More
    $96.99 MSRP:  $113.84

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