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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. 208125 Axeon HF5-2514 Commercial Reverse Osmosis Membrane

    208125 Axeon HF5-2514 Commercial Reverse Osmosis Membrane

    Fits Axeon RO systems using size 2514 membranes and other systems that use 14 x 2.5 inch membranes Learn More
    $109.99 Retail Price:  $130.99
  2. 208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    Fits Axeon RO systems using size 2540 membranes and other systems that use 40 x 2.5 inch membranes Learn More
    $199.99 Retail Price:  $259.99
  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. 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
  5. DuPont WFRO60X Quick Twist Reverse Osmosis System

    DuPont WFRO60X Quick Twist Reverse Osmosis System

    $190.99 Retail Price:  $193.34
  6. Axeon TF-3012-500 Reverse Osmosis Membrane

    Axeon TF-3012-500 Reverse Osmosis Membrane

    Fits standard size 12 x 3 inch RO membrane housings Learn More
    $114.99 Retail Price:  $150.99
  7. 208083 Axeon HF5-2521 Commercial Reverse Osmosis Membrane

    208083 Axeon HF5-2521 Commercial Reverse Osmosis Membrane

    Fits Axeon RO systems using size 2521 membranes and other systems that use 21 x 2.5 inch membranes Learn More
    $119.99 Retail Price:  $143.99
  8. S1229RS Microline TFC Reverse Osmosis Membrane

    S1229RS Microline TFC Reverse Osmosis Membrane

    Fits Microline Clack reverse osmosis systems TFC 335 and TFC 435 Learn More
    $56.99 Retail Price:  $71.29
  9. 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
  10. 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
  11. WQCHFC11 Watts Kwik-Change Hollow Fiber (UF) Water Filter Cartridge

    WQCHFC11 Watts Kwik-Change Hollow Fiber (UF) Water Filter Cartridge

    Fits Watts Kwik-Change Drinking Water & Reverse Osmosis Water Filtration Systems Learn More
    $35.99 Retail Price:  $44.84
  12. TFM-36-EB Desal Reverse Osmosis Membrane

    TFM-36-EB Desal Reverse Osmosis Membrane

    Fits Desal reverse osmosis systems that use part #'s 1220549, TFM-36-EB and TFM-36-EN Learn More
    $52.99 Retail Price:  $79.34
  13. 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
  14. WSK-1 Water Sentinel Replacement Water Filters (2-Pack)

    WSK-1 Water Sentinel Replacement Water Filters (2-Pack)

    Fits select Ecowater, Whirlpool or Kenmore water filtration systems Learn More
    $26.99 Retail Price:  $33.34
  15. 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System
  16. WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    Fits Watts Kwik-Change Drinking Water & Reverse Osmosis Water Filtration Systems Learn More
    $11.99 Retail Price:  $16.09
  17. WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green

    WQCM11-50 Watts Kwik-Change Reverse Osmosis Membrane (Green)

    For use in Watts Kwik Change reverse osmosis systems Learn More
    $57.99 Retail Price:  $68.99
  18. W-1812-36 Watts Replacement Reverse Osmosis Membrane
  19. W-1812-24 Watts Replacement Reverse Osmosis Membrane
  20. TQ56-15FC PuROTwist Reverse Osmosis Membrane

    TQ56-15FC PuROTwist Reverse Osmosis Membrane

    Fits PuROTwist reverse osmosis filtration systems Learn More
    $64.99 Retail Price:  $75.89
  21. 200369 Axeon HR3-2521 Commercial Reverse Osmosis Membrane

    200369 Axeon HR3-2521 Commercial Reverse Osmosis Membrane

    Fits Axeon housings for 2521 sized membranes Learn More
    $102.99 Retail Price:  $125.99
  22. 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

  23.  200392 Axeon Ultra-Low Energy HF5-4014 Commercial Reverse Osmosis Membrane

    200392 Axeon Ultra-Low Energy HF5-4014 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 4014 sized membranes Learn More
    $160.99 Retail Price:  $245.99
  24. 200370 Axeon High Rejection HR3-2540 Commercial Reverse Osmosis Membrane

    200370 Axeon High Rejection HR3-2540 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 2540 sized membranes Learn More
    $169.99 Retail Price:  $205.99
  25. 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

Items 1 to 25 of 32 total

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