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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. TFM-50-A Tier1 Reverse Osmosis Membrane

    TFM-50-A Tier1 Reverse Osmosis Membrane

    Fits select Culligan reverse osmosis systems Learn More
    $45.99 MSRP:  $55.19
  2. TFM-50 Comparable Reverse Osmosis Membrane by Tier1

    TFM-50 Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  3. TW30-1812-50 Watts Comparable Reverse Osmosis Membrane by Tier1

    TW30-1812-50 Watts Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  4. TW30-1812-50 Filmtec Comparable Reverse Osmosis Membrane by Tier1

    TW30-1812-50 Filmtec Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  5. TF-1812-50 Axeon Comparable Reverse Osmosis Membrane by Tier1

    TF-1812-50 Axeon Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  6. MAXPB-975 Watts C-MAX Replacement Filter Cartridge

    MAXPB-975 Watts C-MAX Water Filter Cartridge

    Fits water filtration system housings that use a 9 3/4-inch x 2 7/8-inch filter Learn More
    $18.99 MSRP:  $27.99
  7. MAXVOC-975 Watts C-MAX Replacement Filter Cartridge

    MAXVOC-975 Watts C-MAX Water Filter Cartridge

    Fits standard 10-inch x 2.5-inch water filtration system housings Learn More
    $18.99 MSRP:  $22.99

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