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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. 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System
  2. 4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System
  3. 4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System
  4. 4VTFC50G Hydrotech Reverse Osmosis Filter System
  5. 4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System
  6. 200391 Axeon Reverse Osmosis Membrane

    200391 Axeon Reverse Osmosis Membrane

    Sized 4 x 40 Learn More
    $239.99 Retail Price:  $278.29
  7. 200394 Axeon Reverse Osmosis Membrane

    200394 Axeon Reverse Osmosis Membrane

    Sized 4 x 40 Learn More
    $266.99 Retail Price:  $349.99
  8. 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
  9. 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:  $316.24
  10. 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
  11. 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
  12. AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 4-inch x 21-inch membranes Learn More
    $232.99 Retail Price:  $270.24
  13. 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 Retail Price:  $226.54
  14. PT4000T50-SS-AG PuROTwist PuROTwist Reverse Osmosis Filter System
  15. PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  16. XLE-4040 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    XLE-4040 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $285.99 Retail Price:  $324.29
  17. XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $202.99 Retail Price:  $232.29
  18. TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $275.99 Retail Price:  $312.79
  19. TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $249.99 Retail Price:  $289.79
  20. TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $233.99
  21. RO-PL5000 PuROLine Reverse Osmosis Filter System

    RO-PL5000 PuROLine Reverse Osmosis Filter System

    $219.99 Retail Price:  $232.29
  22. RO-3500 Pentek Reverse Osmosis Filter System

    RO-3500 Pentek Reverse Osmosis Filter System

    $248.99 Retail Price:  $300.15

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