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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. 47-55704G2 Water Factory Systems Replacement Filter Cartridge

    47-55704G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $25.99 Retail Price:  $33.34
  2. 47-55710G2 Water Factory Systems Replacement Postfilter Cartridge

    47-9298G2 Water Factory Systems Replacement Postfilter Cartridge

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $48.99 Retail Price:  $51.34
  3. 66-1311 Water Factory Systems Reverse Osmosis Membrane

    66-1311 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno HP-300 Commercial Reverse Osmosis System Learn More
    $365.99 Retail Price:  $488.74
  4. 66-1315 Water Factory Systems Reverse Osmosis Membrane

    66-1315 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno HP-900 Commercial Reverse Osmosis System Learn More
    $529.99 Retail Price:  $611.79
  5. 66-4311 Water Factory Systems Reverse Osmosis Membrane

    66-4311 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno LP-80 Commercial Reverse Osmosis System Learn More
    $339.99 Retail Price:  $607.19
  6. 66-4506G2 Water Factory Systems Countertop Reverse Osmosis Membrane

    66-4506G2 Water Factory Systems Countertop Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC 30T & SQC 40T reverse osmosis systems Learn More
    $145.99 Retail Price:  $166.74
  7. 66-4706G2 Water Factory Systems TFC Reverse Osmosis Membrane

    66-8706G2 Water Factory Systems TFC Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $154.99 Retail Price:  $163.29
  8. 66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC PRO C-80 reverse osmosis systems only Learn More
    $162.99 Retail Price:  $189.74
  9. SQC-3 Water Factory Systems Reverse Osmosis Filter System
  10. SQC-4 Water Factory Systems Reverse Osmosis Filter System
  11. LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System

    LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System

    Produces up to 40 gallons of the highest quality drinking water daily Learn More
    $999.99 Retail Price:  $1152.29

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