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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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Items 1 to 48 of 57 total

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  • Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Everpure EV9000-91 Antique Brass Drinking Faucet Head

    $127.49
    MSRP: $153.99
    Save 17%
  • WROM-230T American Plumber Reverse Osmosis Replacement Membrane
  • WROM-230TN American Plumber Reverse Osmosis Replacement Membrane
  • WROM-25T American Plumber Reverse Osmosis Membrane

    WROM-25T American Plumber Reverse Osmosis Membrane

    $96.99
    MSRP: $113.84
    Save 15%
  • 3M Aqua-Pure RO3RC Reverse Osmosis Pre and Post Filter Set
  • CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    $2,499.99
    MSRP: $2,877.29
    Save 13%
  • CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System

    $5,099.99
    MSRP: $5,867.29
    Save 13%
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99
    MSRP: $226.54
    Save 3%
  • TLC-150EB Desal Encapsulated Reverse Osmosis Membrane
  • RO1000 Hydrologic Evolution Tankless Reverse Osmosis Filter System
  • NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99
    MSRP: $1,152.29
    Save 13%
  • RO-3500 Pentek Reverse Osmosis Filter System
  • 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%
  • ROMATE-40 Pentek Reverse Osmosis System Storage Tank

    ROMATE-40 Pentek Reverse Osmosis System Storage Tank

    $506.49
    MSRP: $680.99
    Save 26%
  • 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%
  • RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  • 33001056 Hydrotech TFC Reverse Osmosis Membrane

    33001056 Hydrotech TFC Reverse Osmosis Membrane

    $85.59
    MSRP: $127.99
    Save 33%
  • 1244617 Merlin Reverse Osmosis System Manifold

    1244617 Merlin Reverse Osmosis System Manifold

    $157.99
    MSRP: $174.79
    Save 10%
  • TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    $92.99
    MSRP: $118.99
    Save 22%
  • 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%
  • AG2514TF GE Desal Reverse Osmosis Membrane

    AG2514TF GE Desal Reverse Osmosis Membrane

    $117.99
    MSRP: $137.99
    Save 14%
  • 35010 Hydrologic UV Water Sterilizer For Reverse Osmosis Systems
  • 20035 Hydrologic 4-Stage Reverse Osmosis Cartridge

    22035 Hydrologic 4-Stage Reverse Osmosis Cartridge

    $136.19
    MSRP: $178.99
    Save 24%
  • RO-1070-W14 Reverse Osmosis Bladder Tank - 14 Gallon

    RO-1070-W14 Reverse Osmosis Bladder Tank - 14 Gallon

    $136.99
    MSRP: $159.84
    Save 14%
  • 5-Stage Reverse Osmosis System by Tier1

    5-Stage Reverse Osmosis System by Tier1

    $159.99
    MSRP: $249.99
    Save 36%
  • 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%
  • DuPont WFRO60X Quick Twist Reverse Osmosis System
  • Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    $390.99
    MSRP: $542.99
    Save 28%
  • ROQC-450 Tier1 4-Stage Quick Change Reverse Osmosis Water Filter System
  • CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System
  • RO-PL5000 PuROLine Reverse Osmosis Filter System

    RO-PL5000 PuROLine Reverse Osmosis Filter System

    $232.39
    MSRP: $318.99
    Save 27%
  • PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  • PT4000T50-SS-AG PuROTwist PuROTwist Reverse Osmosis Filter System
  • 5EZ-50 Valueline Reverse Osmosis Filter System

    5EZ-50 Valueline Reverse Osmosis Filter System

    $179.99
    MSRP: $186.29
    Save 3%
  • 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

    $359.29
    MSRP: $693.99
    Save 48%
  • 66-4506G2 Water Factory Systems Countertop Reverse Osmosis Membrane
  • 3MROM413-20A Water Factory Systems TFC Reverse Osmosis Membrane
  • 66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    66-8709G2 Water Factory Systems Reverse Osmosis Membrane

    $188.09
    MSRP: $251.99
    Save 25%
  • 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

Items 1 to 48 of 57 total

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