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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.

Items 1 to 48 of 68 total

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  • 200378 Axeon HF1-4021 Reverse Osmosis Membrane

    200378 Axeon HF1-4021 Reverse Osmosis Membrane

    $162.05
    MSRP: $223.99
    Save 28%
  • 208083 Axeon HF5-2521 Commercial Reverse Osmosis Membrane

    208083 Axeon HF5-2521 Commercial Reverse Osmosis Membrane

    $119.99
    MSRP: $143.99
    Save 17%
  • 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%
  • Axeon TF-3012-500 Reverse Osmosis Membrane

    Axeon TF-3012-500 Reverse Osmosis Membrane

    $114.99
    MSRP: $150.99
    Save 24%
  • TW30HP-2526 Filmtec Reverse Osmosis Membrane
  • Brondell RF-40 H2O+ Circle Replacement Membrane Filter
  • 3M Aqua-Pure RM-TFC Reverse Osmosis Membrane

    RM-TFC 3M Aqua-Pure Reverse Osmosis Membrane

    $137.05
    MSRP: $232.29
    Save 41%
  • Axeon 200387 Reverse Osmosis Membrane

    Axeon 200387 Reverse Osmosis Membrane

    $98.99
    MSRP: $128.79
    Save 23%
  • WROM-230T American Plumber Reverse Osmosis Replacement Membrane
  • WROM-230TN American Plumber Reverse Osmosis Replacement Membrane
  • 3M Aqua-Pure AP5500RM Reverse Osmosis Membrane

    AP5500RM 3M Aqua-Pure Reverse Osmosis Membrane

    $107.99
    MSRP: $200.00
    Save 46%
  • AG2521TF Desal Commercial Reverse Osmosis Membrane

    AG2521TF Desal Commercial Reverse Osmosis Membrane

    $129.99
    MSRP: $151.79
    Save 14%
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99
    MSRP: $226.54
    Save 3%
  • AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    $232.99
    MSRP: $270.24
    Save 14%
  • AG4040FF Desal Commercial Reverse Osmosis Membrane

    AG4040FF Desal Reverse Osmosis Membrane

    $319.99
    MSRP: $370.29
    Save 14%
  • AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    $329.99
    MSRP: $381.79
    Save 14%
  • PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    $999.99
    MSRP: $1,152.29
    Save 13%
  • RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    $449.99
    MSRP: $519.79
    Save 13%
  • TLC-150EB Desal Encapsulated Reverse Osmosis Membrane
  • BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane
  • NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99
    MSRP: $1,152.29
    Save 13%
  • SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane
  • SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane
  • TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    $149.99
    MSRP: $174.79
    Save 14%
  • TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    $177.99
    MSRP: $203.54
    Save 13%
  • TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    $233.99
    MSRP: $236.34
    Save 1%
  • TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    $249.99
    MSRP: $289.79
    Save 14%
  • TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    $275.99
    MSRP: $312.79
    Save 12%
  • XLE-2521 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane
  • XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane
  • XLE-4040 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane
  • FQROMF GE Profile SmartWater Ultra Plus Reverse Osmosis Membrane
  • FX18M GE SmartWater Reverse Osmosis Membrane

    FX18M GE SmartWater Reverse Osmosis Membrane

    $72.99
    MSRP: $94.29
    Save 23%
  • ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    $75.99
    MSRP: $86.93
    Save 13%
  • 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
  • TQ56-50FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-50FC PuROTwist Reverse Osmosis Membrane

    $72.99
    MSRP: $119.59
    Save 39%
  • 66-1311 Water Factory Systems Reverse Osmosis Membrane

    66-1311 Water Factory Systems Reverse Osmosis Membrane

    $365.99
    MSRP: $488.74
    Save 25%
  • 66-1315 Water Factory Systems Reverse Osmosis Membrane

    66-1315 Water Factory Systems Reverse Osmosis Membrane

    $529.99
    MSRP: $611.79
    Save 13%
  • 66-4311 Water Factory Systems Reverse Osmosis Membrane

    66-4311 Water Factory Systems Reverse Osmosis Membrane

    $339.99
    MSRP: $607.19
    Save 44%
  • 66-4706G2 Water Factory Systems TFC Reverse Osmosis Membrane
  • 66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    $177.99
    MSRP: $189.74
    Save 6%
  • SQC-3 Water Factory Systems Reverse Osmosis Filter System

    SQC-3 Water Factory Systems Reverse Osmosis Filter System

    $389.99
    MSRP: $450.79
    Save 13%
  • SQC-4 Water Factory Systems Reverse Osmosis Filter System

    SQC-4 Water Factory Systems Reverse Osmosis Filter System

    $399.05
    MSRP: $480.69
    Save 17%
  • 33001056 Hydrotech TFC Reverse Osmosis Membrane

    33001056 Hydrotech TFC Reverse Osmosis Membrane

    $80.99
    MSRP: $86.24
    Save 6%
  • TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    $87.99
    MSRP: $105.79
    Save 17%
  • OM1-S6-S06 OmniFilter Reverse Osmosis Membrane

    OM1-S6-S06 OmniFilter Reverse Osmosis Membrane

    $75.99
    MSRP: $89.69
    Save 15%

Items 1 to 48 of 68 total

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