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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. BW60-1812-75 Filmtec Reverse Osmosis Membrane

    BW60-1812-75 Filmtec Reverse Osmosis Membrane

    Fits reverse osmosis systems from various brands Learn More
    $48.09 MSRP:  $62.99
  2. 22160 Triton Replacement Sediment Filter Cartridge by Hydrologic

    22160 10-inch by 2.5-inch Triton Replacement Sediment Filter Cartridge by Hydrologic

    Fits most standard 10 inches x 2.5 inch housings Learn More
    $12.99 MSRP:  $17.99
  3. Triton Water Filters Replacement Color Changing Di Cartridge Hydrologic 22016

    Triton Water Filters Replacement Color Changing Di Cartridge Hydrologic 22016

    Fits standard 10 inches x 2.5 inches housings Learn More
    $37.39 MSRP:  $48.99
  4. 22155 Triton Water Replacement Membrane by Hydrologic

    22155 Triton Water Replacement Membrane by Hydrologic

    For use with Triton Reverse Osmosis Systems Learn More
    $65.29 MSRP:  $87.99
  5. 200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane

    200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane

    Fits standard size 12 x 2 inch RO membrane housings Learn More
    $47.09 MSRP:  $63.99
  6. 1236268 Merlin Reverse Osmosis Pre Filter

    1236268 GE Merlin Reverse Osmosis Pre Filter

    Fits standard 40 x 2-1/2 inch filter housings Learn More
    $29.99 MSRP:  $32.34
  7. DuPont WFROM1000X Quick Twist Reverse Osmosis Membrane

    DuPont WFROM1000X Quick Twist Reverse Osmosis Membrane

    Fits the Dupont WFRO60X Reverse Osmosis System Learn More
  8. ROR2000-S-05 OmniFilter Reverse Osmosis Pre Filter Replacement

    ROR2000-S-05 OmniFilter Reverse Osmosis Pre and Post Filter Replacements

    Fits the OmniFilter RO2000 Series B Reverse Osmosis System Learn More
    $24.99
  9. WSQC-2 WaterSentinel Reverse Osmosis Carbon GAC Filter Cartridge
  10. 200520 Axeon 2540 PVC Membrane Housing

    200520 Axeon 2540 PVC Membrane Housing

    Fits 2540 size Axeon membranes Learn More
    $98.99 MSRP:  $122.99
  11. Desal TFM-18-C Reverse Osmosis Membrane

    Desal TFM-18-C Reverse Osmosis Membrane

    Fits Culligan H5, H8, H53, H82C, and H83 reverse osmosis systems Learn More
    $33.19 MSRP:  $53.99
  12. Brondell RF-20 H2O+ Circle Replacement Filter Set

    Brondell RF-20 H2O+ Circle Replacement Filter Set

    Stage 1, 2, and 4 filter replacements for the Brondell H2O+ Circle Reverse Osmosis Filtration System Learn More
    $66.29 MSRP:  $102.99
  13. Brondell RF-40 H2O+ Circle Replacement Membrane Filter

    Brondell RF-40 H2O+ Circle Replacement Membrane Filter

    Stage 3 RO membrane filter replacement for the Brondell H2O+ Circle Reverse Osmosis Filtration System Learn More
    $96.29 MSRP:  $115.99
  14. RO-Sani-System-1PK Pro Products Reverse Osmosis System Sanitizer
  15. ws03x10012 GE SmartWater Reverse Osmosis Filter O-Ring

    ws03x10012 GE SmartWater Reverse Osmosis Filter O-Ring

    Fits GE SmartWater filter systems Learn More
    $11.99 MSRP:  $13.79
  16. ws03x10028 GE SmartWater Reverse Osmosis Filter O-Ring

    ws03x10028 GE SmartWater Reverse Osmosis Filter O-Ring

    Fits GE SmartWater filter systems Learn More
    $8.59 MSRP:  $14.99
  17. Axeon 200359 Reverse Osmosis Membrane

    Axeon 200359 Reverse Osmosis Membrane

    Standard size 1.75 inch diameter by 11.75 inch length, fits any common RO membrane housings Learn More
    $34.99 MSRP:  $36.79
  18. Axeon 200361 Reverse Osmosis Membrane

    Axeon 200361 Reverse Osmosis Membrane

    Standard size 1.75 inch diameter by 11.75 inch length, fits any common RO membrane housings Learn More
    $38.99 MSRP:  $48.99
  19. Axeon 200387 Reverse Osmosis Membrane

    Axeon 200387 Reverse Osmosis Membrane

    Standard 2.5 inch by 21 inch size fits many common membrane housings Learn More
    $98.99 MSRP:  $128.79
  20. 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
    $97.39 MSRP:  $118.99
  21. 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
    $89.99 MSRP:  $104.65
  22. 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
  23. WROR American Plumber Reverse Osmosis Replacement Filter Kit

    WROR American Plumber Reverse Osmosis Replacement Filter Kit

    Fits American Plumber WRO-3500 and WRO-3000 Reverse Osmosis Systems Learn More
    $43.99 MSRP:  $51.74
  24. AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    3M Aqua-Pure AP117RO Reverse Osmosis Filter

    For use in 3M Aqua-Pure reverse osmosis water filtration systems Learn More
    $25.69 MSRP:  $38.99
  25. 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

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