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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. Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Fits most standard kitchen sinks Learn More
    $127.49 MSRP:  $153.99
  2. 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
  3. 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
  4. 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
  5. 3M Aqua-Pure RO3RC Reverse Osmosis Pre and Post Filter Set

    RO3RC 3M Aqua-Pure Reverse Osmosis Pre and Post Filter Set

    Fits the 3M Aqua-Pure APRO3 reverse osmosis water filter system Learn More
  6. CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System
  7. CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System
  8. AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 2.5-inch x 40-inch membranes Learn More
    $219.99 MSRP:  $226.54
  9. TLC-150EB Desal Encapsulated Reverse Osmosis Membrane

    TLC-150EB Desal Encapsulated Reverse Osmosis Membrane

    Fits commercial reverse osmosis systems that accept 150 gallon per day encapsulated membranes Learn More
  10. RO1000 Hydrologic Evolution Tankless Reverse Osmosis Filter System
  11. NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99 MSRP:  $1152.29
  12. RO-3500 Pentek Reverse Osmosis Filter System
  13. ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    Fits select Pentek, Culligan, Ametek, American Plumber, USFilter and other brands of reverse osmosis systems Learn More
    $80.39 MSRP:  $118.99
  14. ROM-26T Pentek Reverse Osmosis Membrane

    ROM-26T Pentek Reverse Osmosis Membrane

    Fits select Pentek, Culligan, Ametek, American Plumber, USFilter and other brands of reverse osmosis systems Learn More
    $73.99 MSRP:  $84.05
  15. ROMATE-40 Pentek Reverse Osmosis System Storage Tank

    ROMATE-40 Pentek Reverse Osmosis System Storage Tank

    Fits standard 1-inch water lines Learn More
    $506.49 MSRP:  $680.99
  16. TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    Fits the third stage of the PuROTwist 3000 and 4000 reverse osmosis systems Learn More
    $80.39 MSRP:  $104.99
  17. TQ56-50FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-50FC PuROTwist Reverse Osmosis Membrane

    Fits the third stage of the PuROTwist 3000 and 4000 reverse osmosis systems Learn More
    $77.09 MSRP:  $113.99
  18. RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  19. 33001056 Hydrotech TFC Reverse Osmosis Membrane

    33001056 Hydrotech TFC Reverse Osmosis Membrane

    Fits Hydrotech Models from the 1240 Series, 1240 E Series,1240 M Series, 1240 Pro Series, 3VTFC50G, 4VTFC50G, 4VTFC50GPB, F-HT-50, F-HTF-50 and other select models Learn More
    $85.59 MSRP:  $127.99
  20. 1244617 Merlin Reverse Osmosis System Manifold

    1244617 Merlin Reverse Osmosis System Manifold

    Fits the GE Merlin reverse osmosis system Learn More
    $157.99 MSRP:  $174.79
  21. TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    Fits the GE Merlin Water Filtration System Learn More
    $92.99 MSRP:  $118.99
  22. OM1-S6-S06 OmniFilter Reverse Osmosis Membrane

    OM1-S6-S06 OmniFilter Reverse Osmosis Membrane

    Fits OmniFilter RO2000 and RO2000-TDS reverse osmosis systems Learn More
    $80.39 MSRP:  $104.99
  23. 22045 Hydrologic Evolution Reverse Osmosis Membrane

    22045 Hydrologic Evolution Reverse Osmosis Membrane

    Fits the tankless Evolution RO1000 Reverse Osmosis System Learn More
    $153.99 MSRP:  $179.39
  24. AG2514TF GE Desal Reverse Osmosis Membrane

    AG2514TF GE Desal Reverse Osmosis Membrane

    2.5 x 14 inch TFC; Dry - Filmtec Style Learn More
    $117.99 MSRP:  $137.99
  25. 35010 Hydrologic UV Water Sterilizer For Reverse Osmosis Systems

    35010 Hydrologic UV Water Sterilizer For Reverse Osmosis Systems

    For use with the Merlin-GP or Evolution-RO1000 reverse osmosis filtration systems Learn More
    $98.99 MSRP:  $114.14

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