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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. 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
  2. 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
  3. 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
  4. 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
  5. 200378 Axeon HF1-4021 Reverse Osmosis Membrane

    200378 Axeon HF1-4021 Reverse Osmosis Membrane

    Sized 21 inches (length) x 3.95 inches (outside diameter) Learn More
    $172.99 Retail Price:  $223.99
  6. TW30HP-2526 Filmtec Reverse Osmosis Membrane

    TW30HP-2526 Filmtec Reverse Osmosis Membrane

    Fits reverse osmosis membrane housings that require 2.5 x 26-inch membranes Learn More
    $184.99 Retail Price:  $249.99
  7. 3M Aqua-Pure RM-TFC Reverse Osmosis Membrane

    RM-TFC 3M Aqua-Pure Reverse Osmosis Membrane

    Fits the 3M Aqua-Pure RO5500 reverse osmosis water filter system Learn More

    Regular Price: $178.99

    Special Price: $137.05

  8. 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
  9. 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
  10. 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System

    31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System

    Comes complete with easy installation kit Learn More
    $214.99 Retail Price:  $249.54
  11. 22045 Hydrologic Evolution Reverse Osmosis Membrane

    22045 Hydrologic Evolution Reverse Osmosis Membrane

    Fits the tankless Evolution RO1000 Reverse Osmosis System Learn More
    $153.99 Retail Price:  $179.39
  12. 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
    $87.99 Retail Price:  $105.79
  13. 33001056 Hydrotech TFC Reverse Osmosis Membrane

    33001056 Hydrotech TFC Reverse Osmosis Membrane

    Fits Hydrotech Models from the 1240 Series, 1240 E Series,1240 M Series, 1240 Pro Series, 3VTFC50G, 4VTFC50G, 4VTFC50GPB, F-HT-50, F-HTF-50 and other select models Learn More
    $80.99 Retail Price:  $86.24
  14. P1020268 Culligan Reverse Osmosis Membrane

    P1020268 Culligan Reverse Osmosis Membrane

    Fits into bottle-free, anti-microbial countertop coolers from Culligan Learn More
  15. TW30-1810-50 Tier1 Reverse Osmosis Membrane

    TW30-1810-50 Tier1 Reverse Osmosis Membrane

    Fits Whirlpool WHER18 and UltraFilter 350, 450, 500, and 550 RO systems Learn More
    $70.99 Retail Price:  $88.54
  16. 200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane

    200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane

    Fits Axeon reverse osmosis systems that use 4021 sized membranes Learn More
    $223.99 Retail Price:  $232.99
  17. 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 Retail Price:  $325.99
  18. 200390 Axeon HF4-4021 Extra Low Energy Reverse Osmosis Membrane

    200390 Axeon HF4-4021 Extra Low Energy Reverse Osmosis Membrane

    Fits Axeon housings that accept 21-inch x 4 inch membranes Learn More
    $199.99 Retail Price:  $232.29
  19. 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
  20. 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
  21.  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
  22. 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
  23. 200388 Axeon HF4-2540 Extra Low Energy Reverse Osmosis Membrane

    200388 Axeon HF4-2540 Extra Low Energy Reverse Osmosis Membrane

    Fits Axeon housings that accept standard 40-inch x 2.5 inch membranes Learn More
    $165.99 Retail Price:  $202.00
  24. 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
  25. 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 Retail Price:  $137.99

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