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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. 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
    $36.89 MSRP:  $48.99
  2. Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Fits most standard kitchen sinks Learn More
    $127.49 MSRP:  $153.99
  3. TLC-150EB Desal Encapsulated Reverse Osmosis Membrane

    TLC-150EB Desal Encapsulated Reverse Osmosis Membrane

    Fits commercial reverse osmosis systems that accept 150 gallon per day encapsulated membranes Learn More
  4. TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    Fits the third stage of the PuROTwist 3000 and 4000 reverse osmosis systems Learn More
    $80.39 MSRP:  $104.99
  5. W-1812-24 Watts Replacement Reverse Osmosis Membrane
  6. W-1812-36 Watts Replacement Reverse Osmosis Membrane
  7. 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 MSRP:  $68.99
  8. 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
    $92.99 MSRP:  $118.99
  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
    $57.99 MSRP:  $84.99
  10. 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
    $63.29 MSRP:  $81.99
  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 MSRP:  $44.84
  12. 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 MSRP:  $16.09
  13. 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 MSRP:  $33.34
  14. TQ56-15FC PuROTwist Reverse Osmosis Membrane

    TQ56-15FC PuROTwist Reverse Osmosis Membrane

    Fits PuROTwist reverse osmosis filtration systems Learn More
    $68.69 MSRP:  $89.99
  15. AG2514TF GE Desal Reverse Osmosis Membrane

    AG2514TF GE Desal Reverse Osmosis Membrane

    2.5 x 14 inch TFC; Dry - Filmtec Style Learn More
    $117.99 MSRP:  $137.99
  16. Q5328 Omnipure Water Filter

    Q5328 Omnipure Water Filter

    Sized 2 1/2 x 6 inches with 20 x 50 mesh Learn More
    $10.99 MSRP:  $14.94
  17. 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
    $899.99 MSRP:  $1037.29
  18. 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 MSRP:  $259.99
  19. 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 MSRP:  $130.99
  20. DuPont WFRO60X Quick Twist Reverse Osmosis System
  21. Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    Undersink RO system. 10 times more efficient than conventional RO systems. Learn More
    $390.99 MSRP:  $542.99
  22. CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System

    CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System

    Fits any standard faucet Learn More
    $165.59 MSRP:  $219.99
  23. 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System

    31040 Hydrologic Stealth-RO300 Reverse Osmosis Water Filtration System

    Comes complete with easy installation kit Learn More
    $227.09 MSRP:  $329.99
  24. 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 MSRP:  $1152.29
  25. 31035 Hydrologic Stealth-RO100 Reverse Osmosis Filtration System

    31035 Hydrologic Stealth-150 Reverse Osmosis Filtration System

    Customized for gardening and hydroponics. Everything included in the box for quick hook-up. Learn More
    $164.99 MSRP:  $225.00

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