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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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  • TFM-18-A Tier1 Reverse Osmosis Membrane

    TFM-18-A Tier1 Reverse Osmosis Membrane

    $35.99
    MSRP: $45.99
    Save 22%
  • TFM-36-A Tier1 Reverse Osmosis Membrane
  • Tier1 TROM-100 RO Membrane
  • Tier1 TROM-24 RO Membrane
  • Tier1 TROM-75 RO Membrane
  • TFM-18 Desal Compatible Reverse Osmosis Membrane by Tier1

    TFM-18 Desal Compatible Reverse Osmosis Membrane by Tier1

    $35.99 MSRP: $45.99
    Save 22%
  • ROM-100 Campbell Comparable Reverse Osmosis Membrane by Tier1
  • RF-63 Honeywell Comparable Reverse Osmosis Membrane by Tier1
  • 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
  • WROM-230T American Plumber Reverse Osmosis Replacement Membrane
  • WROM-230TN American Plumber Reverse Osmosis Replacement Membrane
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99
    MSRP: $226.54
    Save 3%
  • TLC-150EB Desal Encapsulated Reverse Osmosis Membrane
  • NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99
    MSRP: $1,152.29
    Save 13%
  • ROM-16C Pentek Reverse Osmosis Replacement Membrane

    ROM-16C Pentek Reverse Osmosis Replacement Membrane

    $52.79
    MSRP: $76.99
    Save 31%
  • ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    $80.39
    MSRP: $118.99
    Save 32%
  • ROM-26T Pentek Reverse Osmosis Membrane

    ROM-26T Pentek Reverse Osmosis Membrane

    $73.99
    MSRP: $84.05
    Save 12%
  • TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    $80.39
    MSRP: $104.99
    Save 23%
  • TQ56-50FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-50FC PuROTwist Reverse Osmosis Membrane

    $77.09
    MSRP: $113.99
    Save 32%
  • W-1812-24 Watts Replacement Reverse Osmosis Membrane

    W-1812-24 Watts Reverse Osmosis Membrane Replacement

    $23.19
    MSRP: $52.99
    Save 56%
  • W-1812-36 Watts Replacement Reverse Osmosis Membrane
  • WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green
  • 33001033 Hydrotech TFC Reverse Osmosis Membrane

    33001033 Hydrotech TFC Reverse Osmosis Membrane

    $64.99
    MSRP: $82.79
    Save 22%
  • 33001056 Hydrotech TFC Reverse Osmosis Membrane

    33001056 Hydrotech TFC Reverse Osmosis Membrane

    $85.59
    MSRP: $127.99
    Save 33%
  • 33001068 Hydrotech TFC Reverse Osmosis Membrane

    33001068 Hydrotech TFC Reverse Osmosis Membrane

    $54.99
    MSRP: $65.54
    Save 16%
  • 33001071 Hydrotech TFC Reverse Osmosis Membrane

    33001071 Hydrotech TFC Reverse Osmosis Membrane

    $47.49
    MSRP: $60.99
    Save 22%
  • 41400001 Hydrotech CTA Reverse Osmosis Membrane
  • 41400002 Hydrotech CTA Reverse Osmosis Membrane
  • 41400004 Hydrotech TFC Reverse Osmosis Membrane

    41400004 Hydrotech TFC Reverse Osmosis Membrane

    $63.99
    MSRP: $74.74
    Save 14%
  • 41400006 Hydrotech TFC Reverse Osmosis Membrane

    41400006 Hydrotech TFC Reverse Osmosis Membrane

    $59.99
    MSRP: $71.29
    Save 16%
  • 41400007 Hydrotech TFC Reverse Osmosis Membrane

    41400007 Hydrotech TFC Reverse Osmosis Membrane

    $69.99
    MSRP: $82.79
    Save 15%
  • TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    $92.99
    MSRP: $118.99
    Save 22%
  • OM1 OmniFilter Reverse Osmosis Membrane
  • OM1-S6-S06 OmniFilter Reverse Osmosis Membrane

    OM1-S6-S06 OmniFilter Reverse Osmosis Membrane

    $80.39
    MSRP: $104.99
    Save 23%
  • 22045 Hydrologic Evolution Reverse Osmosis Membrane

    22045 Hydrologic Evolution Reverse Osmosis Membrane

    $153.99
    MSRP: $179.39
    Save 14%
  • TQ56-15FC PuROTwist Reverse Osmosis Membrane

    TQ56-15FC PuROTwist Reverse Osmosis Membrane

    $68.69
    MSRP: $89.99
    Save 24%
  • AG2514TF GE Desal Reverse Osmosis Membrane

    AG2514TF GE Desal Reverse Osmosis Membrane

    $117.99
    MSRP: $137.99
    Save 14%
  • TW30-1810-50 Tier1 Reverse Osmosis Membrane

    TW30-1810-50 Tier1 Reverse Osmosis Membrane

    $70.99
    MSRP: $88.54
    Save 20%
  • 200025 Flexeon LT-300 Commercial RO System

    200025 Flexeon LT-300 Commercial RO System

    $899.99
    MSRP: $1,037.29
    Save 13%
  • 208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    $199.99
    MSRP: $259.99
    Save 23%
  • 208125 Axeon HF5-2514 Commercial Reverse Osmosis Membrane

    208125 Axeon HF5-2514 Commercial Reverse Osmosis Membrane

    $109.99
    MSRP: $130.99
    Save 16%

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