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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. 3M Aqua-Pure AP124 Whole House Water Filter Cartridge

    AP124 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $12.99 MSRP:  $17.24
  2. CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System
  3. NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99 MSRP:  $1152.29
  4. SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane

    Fits select seawater reverse osmosis systems Learn More
    $211.29 MSRP:  $292.99
  5. 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 MSRP:  $1152.29
  6. TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $158.49 MSRP:  $239.99
  7. TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $188.09 MSRP:  $277.99
  8. TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $233.99 MSRP:  $236.34
  9. XLE-2521 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    XLE-2521 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $169.99 MSRP:  $197.79
  10. 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 MSRP:  $232.29
  11. FPMB20-978 Watts Flo-Pro Replacement Filter Cartridge

    FPMB20-978 Watts Flo-Pro Replacement Water Filter

    Fits most standard water filtration system housings that use a 9 7/8-inch x 2 1/2-inch filter Learn More
    $3.99 MSRP:  $5.16
  12. FPMB5-20 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-20 Watts Flo-Pro Water Filter Cartridge

    Fits water filtration system housing that accept a 20-inch x 2 1/2-inch filter Learn More
    $5.99 MSRP:  $6.89
  13. FPMB5-978 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-978 Watts Flo-Pro Water Filter Cartridge

    Fits water filtration system housings that accepts a 9 7/8-inch x 2 1/2-inch filter Learn More
    $4.99 MSRP:  $5.16
  14. 200375 Axeon Reverse Osmosis Membrane

    200375 Axeon Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use membranes sized 21 x 1.1 x 0.75 x 2.4 inches Learn More
    $107.69 MSRP:  $176.99
  15. 200386 Axeon Extra-Low Energy HF4-2514 Commercial Reverse Osmosis Membrane

    200386 Axeon Extra-Low Energy HF4-2514 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 2514 sized membranes Learn More
    $84.99 MSRP:  $100.04
  16. 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 MSRP:  $325.99

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