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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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  • S1229RS Microline TFC Reverse Osmosis Membrane

    S1229RS Microline TFC Reverse Osmosis Membrane

    $59.99 Retail Price:  $71.29
  • S1227RS Microline TFC Reverse Osmosis Membrane

    S1227RS Microline TFC Reverse Osmosis Membrane

    $61.99 Retail Price:  $71.29
  • S1224RS Microline CTA Reverse Osmosis Membrane

    S1224RS Microline CTA Reverse Osmosis Membrane

    $59.99 Retail Price:  $68.99
  • 41400007 Hydrotech TFC Reverse Osmosis Membrane

    41400007 Hydrotech TFC Reverse Osmosis Membrane

    $69.99 Retail Price:  $82.79
  • 41400006 Hydrotech TFC Reverse Osmosis Membrane

    41400006 Hydrotech TFC Reverse Osmosis Membrane

    $59.99 Retail Price:  $71.29
  • MAXPB-975 Watts C-MAX Replacement Filter Cartridge

    MAXPB-975 Watts C-MAX Water Filter Cartridge

    $17.99 Retail Price:  $20.69
  • FPMB20-978 Watts Flo-Pro Replacement Filter Cartridge

    FPMB20-978 Watts Flo-Pro Replacement Water Filter

    $3.99 Retail Price:  $5.16
  • MAXVOC-975 Watts C-MAX Replacement Filter Cartridge

    MAXVOC-975 Watts C-MAX Water Filter Cartridge

    $18.99 Retail Price:  $22.99
  • W-1812-24 Watts Replacement Reverse Osmosis Membrane

    W-1812-24 Watts Reverse Osmosis Membrane Replacement

    $21.99 Retail Price:  $40.24
  • 41400004 Hydrotech TFC Reverse Osmosis Membrane

    41400004 Hydrotech TFC Reverse Osmosis Membrane

    $63.99 Retail Price:  $74.74
  • 41400002 Hydrotech CTA Reverse Osmosis Membrane

    41400002 Hydrotech CTA Reverse Osmosis Membrane

    $54.99 Retail Price:  $67.84
  • 41400001 Hydrotech CTA Reverse Osmosis Membrane

    41400001 Hydrotech CTA Reverse Osmosis Membrane

    $59.99 Retail Price:  $68.99
  • 33001071 Hydrotech TFC Reverse Osmosis Membrane

    33001071 Hydrotech TFC Reverse Osmosis Membrane

    $44.99 Retail Price:  $56.34
  • 33001068 Hydrotech TFC Reverse Osmosis Membrane

    33001068 Hydrotech TFC Reverse Osmosis Membrane

    $54.99 Retail Price:  $65.54
  • 33001056 Hydrotech TFC Reverse Osmosis Membrane

    33001056 Hydrotech TFC Reverse Osmosis Membrane

    $80.99 Retail Price:  $86.24
  • 33001033 Hydrotech TFC Reverse Osmosis Membrane

    33001033 Hydrotech TFC Reverse Osmosis Membrane

    $64.99 Retail Price:  $82.79
  • 20500129 Hydrotech Aquafier Filter Housing Sump

    20500129 Hydrotech Aquafier Filter Housing Sump

    $18.99 Retail Price:  $24.14
  • WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green
  • 00401538 Culligan String Wound Sediment Filter
  • Q5328 Omnipure Water Filter

    Q5328 Omnipure Water Filter

    $10.99 Retail Price:  $14.94
  • 22080 Hydrologic Reverse Osmosis Carbon Pre-Filter

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