Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)

Free Shipping over $39

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

16 Item(s)

Grid  List 

Set Descending Direction
  1. RO5 Tier1 5-Stage Reverse Osmosis System

    RO5 Tier1 5-Stage Reverse Osmosis System

    $195.99 Retail Price:  $249.99
  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. 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
  4. 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
  5. 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
  6. 22043 KDF Hydrologic Carbon Pre-Filter For Evolution-RO1000

    22043 KDF Hydrologic Carbon Pre-Filter For Evolution-RO1000

    Fits Evolution RO1000 reverse osmosis water filtration systems Learn More
    $45.99 Retail Price:  $55.19
  7. WHEERM Whirlpool UltraEase Reverse Osmosis Membrane

    WHEERM Whirlpool UltraEase Reverse Osmosis Membrane

    Fits Whirlpool WHER25 reverse osmosis water filtration systems Learn More
    $58.99 Retail Price:  $70.14
  8. 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
  9. MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White

    MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White

    Fits reverse osmosis systems that use standard 11.75-inch to 12-inch membranes Learn More
    $18.99 Retail Price:  $24.14
  10. 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
  11. 200524 Axeon 4021 PVC Membrane Housing

    200524 Axeon 4021 PVC Membrane Housing

    Fits 4021 sized Axeon membranes Learn More
    $154.99 Retail Price:  $190.99
  12. 00401538 Culligan String Wound Sediment Filter

    00401538 Culligan String Wound Sediment Filter

    Built for use in Culligan AC50, AC30, AC15, H83 whole house water filtration systems and H53 reverse osmosis systems Learn More
  13. 41400076 Hydrotech Dual Purpose Water Filter41400076 Hydrotech Dual Purpose Water Filter

    41400076 Hydrotech Dual Purpose Water Filter

    Fits Hydrotech HT and HTF Series Reverse Osmosis Water Filtration Systems Learn More
    $17.99 Retail Price:  $19.54
  14. CB-25-1001 Hydronix Carbon Water Filter

    CB-25-1001 Hydronix Carbon Water Filter

    Sized 9-7/8 x 2.75 inches, 1 micron. Fits water filtration systems that use Liquatec CB-250-975-01, Pentek CB1-10 and Pentek 255382-43 filters Learn More
    $9.99 Retail Price:  $13.79
  15. CB-25-1010 Hydronix Carbon Water Filter Replacement

    CB-25-1010 Hydronix Carbon Water Filter Replacement

    9 7/8 inches by 2.75 inches, 10 micron, fits systems that use Liquatec CB-250-975-10 and Watts IF-CB-010 / IFCB010M water filters Learn More
    $7.99 Retail Price:  $10.34
  16. TFM-18-EB Desal Reverse Osmosis Membrane

    TFM-18-EB Desal Reverse Osmosis Membrane

    Fits Desal reverse osmosis systems that use part #'s 1220545, TFM-18-EB, TFM-18-EN Learn More
    $59.99 Retail Price:  $71.29

16 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top