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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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18 Item(s)

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  • TFM-36-A Tier1 Reverse Osmosis Membrane
  • TFM-36 Desal Comparable Reverse Osmosis Membrane by Tier1
  • FX12M GE Comparable Reverse Osmosis Membrane by Tier1
  • TFM-36 Axeon Comparable Reverse Osmosis Membrane by Tier1
  • TW30-1812-36 Filmtec Comparable Reverse Osmosis Membrane by Tier1
  • MEM-45 APEC Comparable Reverse Osmosis Membrane by Tier1
  • AG1812TAE GE Comparable Reverse Osmosis Membrane by Tier1
  • TLC-36 Pentair Comparable Reverse Osmosis Membrane by Tier1
  • W-1812-36 Watts Comparable Reverse Osmosis Membrane by Tier1
  • ROM-16C Pentek Reverse Osmosis Replacement Membrane

    ROM-16C Pentek Reverse Osmosis Replacement Membrane

    $52.79
    MSRP: $76.99
    Save 31%
  • W-1812-36 Watts Replacement Reverse Osmosis Membrane
  • WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green
  • 33001068 Hydrotech TFC Reverse Osmosis Membrane

    33001068 Hydrotech TFC Reverse Osmosis Membrane

    $54.99
    MSRP: $65.54
    Save 16%
  • 41400002 Hydrotech CTA Reverse Osmosis Membrane
  • 41400006 Hydrotech TFC Reverse Osmosis Membrane

    41400006 Hydrotech TFC Reverse Osmosis Membrane

    $59.99
    MSRP: $71.29
    Save 16%
  • 1268260 Merlin Reverse Osmosis Flush Kit

    1268260 Merlin Reverse Osmosis Flush Kit

    $55.99
    MSRP: $66.69
    Save 16%
  • S1227RS Microline TFC Reverse Osmosis Membrane

    S1227RS Microline TFC Reverse Osmosis Membrane

    $57.99
    MSRP: $84.99
    Save 32%
  • WHEERM Whirlpool UltraEase Reverse Osmosis Membrane

    WHEERM Whirlpool UltraEase Reverse Osmosis Membrane

    $58.99
    MSRP: $114.28
    Save 48%

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