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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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  • AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    3M Aqua-Pure AP117RO Reverse Osmosis Filter

    $25.39
    MSRP: $38.99
    Save 35%
  • 3M Aqua-Pure AP124 Whole House Water Filter Cartridge

    AP124 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $12.99
    MSRP: $17.24
    Save 25%
  • 3M Aqua-Pure AP124-3 Water Filter

    AP124-3 3M Aqua-Pure Replacement Water Filter

    $29.99
    MSRP: $35.64
    Save 16%
  • 3M Aqua-Pure AP5500RM Reverse Osmosis Membrane

    AP5500RM 3M Aqua-Pure Reverse Osmosis Membrane

    $107.99
    MSRP: $200.00
    Save 46%
  • AP5527 3M Aqua-Pure Reverse Osmosis Pre and Post Filter Set
  • 3M Aqua-Pure RO3RC Reverse Osmosis Pre and Post Filter Set
  • 3M Aqua-Pure RM-TFC Reverse Osmosis Membrane

    RM-TFC 3M Aqua-Pure Reverse Osmosis Membrane

    $177.99
    MSRP: $232.29
    Save 23%
  • TFM50EM 3M Aqua-Pure Reverse Osmosis Membrane

    TFM50EM 3M Aqua-Pure PURWATER Reverse Osmosis Membrane

    $119.39
    MSRP: $203.99
    Save 41%

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