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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. 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
  2. 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
  3. 22155 Triton Water Filter Replacement Membrane by Hydrologic
  4. RO1000 Hydrologic Evolution Tankless Reverse Osmosis Filter System
  5. 22125 Hydrologic Stealth-RO Replacement Sediment Filter

    22125 Hydrologic Stealth-RO Sediment Filter

    Fits the Stealth RO100/200 or filtration system housing that uses 10 inch by 2.5 inch filters Learn More
    $11.49 Retail Price:  $15.51
  6. 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
  7. 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System
  8. 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
  9. 19026 Hydrologic Water Filtration System Pressure Gauge

    19026 Hydrologic Water Filtration System Pressure Gauge

    For use with the Evolution-RO1000 tankless reverse osmosis filtration system Learn More
    $31.99 Retail Price:  $39.09
  10. 26040 Hydrologic Reverse Osmosis Membrane Flush Kit

    26040 Hydrologic Reverse Osmosis Membrane Flush Kit

    For use with the HydroLogic Stealth RO1000, RO200 and other standard reverse osmosis filtration systems Learn More
    $15.99 Retail Price:  $19.00
  11. 27020 Hydrologic Reverse Osmosis System Float Valve

    27020 Hydrologic Reverse Osmosis System Float Valve

    For use with the Evolution-RO1000 tankless reverse osmosis filtration system Learn More
    $18.99 Retail Price:  $19.00
  12. 31035 Hydrologic Stealth-RO100 Reverse Osmosis Filtration System

    31035 Hydrologic Stealth-RO100 Reverse Osmosis Filtration System

    Includes everything needed for installation Learn More
  13. 35010 Hydrologic UV Water Sterilizer For Reverse Osmosis Systems

    35010 Hydrologic UV Water Sterilizer For Reverse Osmosis Systems

    For use with the Merlin-GP or Evolution-RO1000 reverse osmosis filtration systems Learn More
    $98.99 Retail Price:  $114.14
  14. 22080 Hydrologic Reverse Osmosis Carbon Pre-Filter

    22080 Hydrologic Reverse Osmosis Carbon Pre-Filter

    Fits the Merlin-Garden Pro Water Filter System Learn More
  15. 25057 Hydrologic Reverse Osmosis Water Filter Tubing

    25057 Hydrologic Reverse Osmosis Water Filter Tubing

    Contains 50 feet of 3/8 inch tubing Learn More
    $16.99 Retail Price:  $22.99

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