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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. DuPont WFROM1000X Quick Twist Reverse Osmosis Membrane

    DuPont WFROM1000X Quick Twist Reverse Osmosis Membrane

    Fits the Dupont WFRO60X Reverse Osmosis System Learn More
  2. 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 Retail Price:  $32.34
  3. 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
    $43.99 Retail Price:  $59.99
  4. 22155 Triton Water Filter Replacement Membrane by Hydrologic

    22155 Triton Water Replacement Membrane by Hydrologic

    For use with Triton Reverse Osmosis Systems Learn More
    $60.99 Retail Price:  $79.99
  5. 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
    $34.99 Retail Price:  $43.99
  6. 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 Retail Price:  $17.99
  7. ROR2000-S-05 OmniFilter Reverse Osmosis Pre Filter Replacement

    ROR2000-S-05 OmniFilter Reverse Osmosis Pre Filter Replacement

    Fits the OmniFilter RO2000 Series B Reverse Osmosis System Learn More
    $24.99
  8. WSQC-2 WaterSentinel Reverse Osmosis Carbon GAC Filter Cartridge
  9. BW60-1812-75 Filmtec Reverse Osmosis Membrane

    BW60-1812-75 Filmtec Reverse Osmosis Membrane

    Fits reverse osmosis systems from various brands Learn More
    $44.99 Retail Price:  $47.34
  10. 200520 Axeon 2540 PVC Membrane Housing

    200520 Axeon 2540 PVC Membrane Housing

    Fits 2540 size Axeon membranes Learn More
    $98.99 Retail Price:  $122.99
  11. 4002574/GRO-50EN Pentair GPD Encapsulated Membrane
  12. 4002573/GRO-36EN Pentair GPD Encapsulated Membrane

    4002573/GRO-36EN Pentair GPD Encapsulated Membrane

    Used in most conventional units Learn More
    $74.99 Retail Price:  $90.54
  13. RO-Sani-System-1PK Pro Products Reverse Osmosis System Sanitizer
  14. 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
    $39.99 Retail Price:  $48.29
  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 Retail Price:  $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
    $7.99 Retail Price:  $11.49
  17. 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 Retail Price:  $128.79
  18. 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 Retail Price:  $36.79
  19. 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
    $94.99 Retail Price:  $105.79
  20. 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
    $75.99 Retail Price:  $89.69
  21. OM1 OmniFilter Reverse Osmosis Membrane

    OM1 OmniFilter Reverse Osmosis Membrane

    Fits Omni RO2000 and RO2000-TDS reverse osmosis water filter systems Learn More
  22. S7029 Microline Filter Housing Sump

    S7029 Microline Filter Housing Sump

    Fits Microline Clack manifolds, excluding the "old style" Learn More
    $19.99 Retail Price:  $22.34
  23. S7028 Microline Replacement Filter Cartridge

    S7028 Microline Replacement Filter Cartridge

    Fits Microline Clack reverse osmosis systems Learn More
    $17.99 Retail Price:  $20.69
  24. S7025 Microline Replacement Filter Cartridge

    S7025 Microline Replacement Filter Cartridge

    Fits Microline Clack reverse osmosis systems Learn More
    $10.99 Retail Price:  $14.94
  25. S1227RS Microline TFC Reverse Osmosis Membrane

    S1227RS Microline TFC Reverse Osmosis Membrane

    Fits Microline Clack TFC 335 and TFC 435 reverse osmosis systems Learn More
    $61.99 Retail Price:  $71.29

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