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Reverse Osmosis Filters & Systems

Reverse Osmosis: a water purification technology that utilizes a semi-permeable membrane to remove larger 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. TW30HP-2526 Filmtec Reverse Osmosis Membrane

    TW30HP-2526 Filmtec Reverse Osmosis Membrane

    Fits reverse osmosis membrane housings that require 2.5 x 26-inch membranes Learn More
    $225.99 Retail Price:  $279.99
  2. 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 Retail Price:  $1152.29
  3. 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
    $214.99 Retail Price:  $249.54
  4. 4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System
  5. 4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System
  6. 4VTFC50G Hydrotech Reverse Osmosis Filter System
  7. 4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System
  8. 200391 Axeon Reverse Osmosis Membrane

    200391 Axeon Reverse Osmosis Membrane

    Sized 4 x 40 Learn More
    $239.99 Retail Price:  $278.29
  9. 200394 Axeon Reverse Osmosis Membrane

    200394 Axeon Reverse Osmosis Membrane

    Sized 4 x 40 Learn More
    $266.99 Retail Price:  $349.99
  10. 200553 Axeon Membrane Housing

    200553 Axeon Membrane Housing

    Sized 4 x 120, accepts three 4 x 40 sized membranes Learn More
    $265.99 Retail Price:  $308.19
  11. 200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane

    200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 4021 sized membranes Learn More
    $223.99 Retail Price:  $232.99
  12. 200379 Axeon HF1-4040 Low Energy Reverse Osmosis Membrane

    200379 Axeon HF1-4040 Low Energy Reverse Osmosis Membrane

    Fits Axeon housings that accept 40-inch x 4-inch membranes Learn More
    $272.99 Retail Price:  $325.99
  13. 200025 Flexeon LT-300 Commercial RO System

    200025 Flexeon LT-300 Commercial RO System

    Fits 21 inch x 2.5 inch Axeon membranes and industry standard 10 x 2.5 inch pre and post filters Learn More

    Regular Price: $899.99

    Special Price: $889.05

  14. HL4021TF GE Desal Nano Filtration Reverse Osmosis Element

    HL4021TF GE Desal Nano Filtration Reverse Osmosis Element

    Sized 4 x 21 Learn More
    $272.99 Retail Price:  $316.24
  15. 200373 Axeon Reverse Osmosis Membrane

    200373 Axeon Reverse Osmosis Membrane

    Sized 4 x 40 Learn More
    $418.99 Retail Price:  $421.34
  16. TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $233.99 Retail Price:  $236.34
  17. RO1000 Hydrologic Evolution Tankless Reverse Osmosis Filter System
  18. BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane

    BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane

    Fits industrial reverse osmosis systems that accept 4-inch x 40-inch membranes Learn More
    $265.99 Retail Price:  $324.29
  19. SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    Fits select seawater reverse osmosis systems Learn More
    $999.99 Retail Price:  $1152.29
  20. NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99 Retail Price:  $1152.29
  21. RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels and many commercial reverse osmosis systems that accept a 4-inch x 40-inch membrane Learn More
    $449.99 Retail Price:  $519.79
  22. PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels and many commercial reverse osmosis systems that accept a 4-inch x 40-inch membrane Learn More
    $999.99 Retail Price:  $1152.29
  23. CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System
  24. CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System
  25. AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 4-inch x 40-inch membranes Learn More
    $329.99 Retail Price:  $381.79

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