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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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  • 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 Retail Price:  $113.84
  • WROR American Plumber Reverse Osmosis Replacement Filter Kit
  • AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    $23.99 Retail Price:  $30.23
  • 3M Aqua-Pure AP124 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP124-3 Water Filter

    AP124-3 3M Aqua-Pure Replacement Water Filter

    $29.99 Retail Price:  $35.64
  • 3M Aqua-Pure AP5527 Reverse Osmosis Filter
  • 01013028 Culligan Water Tower Sediment Filter Cartridge
  • 01013029 Culligan Reverse Osmosis Filter Cartridge
  • CTA-10 Desal Reverse Osmosis Membrane

    CTA-10 Desal Reverse Osmosis Membrane

    $39.99 Retail Price:  $48.29
  • CTA-16 Desal Reverse Osmosis Membrane

    CTA-16 Desal Reverse Osmosis Membrane

    $41.99 Retail Price:  $50.59
  • CTA-16-C Desal Reverse Osmosis Membrane

    CTA-16-C Desal Reverse Osmosis Membrane

    $43.99 Retail Price:  $52.89
  • GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    $17.99 Retail Price:  $20.69
  • TFM-100 Desal Reverse Osmosis Membrane

    TFM-100 Desal Reverse Osmosis Membrane

    $29.99 Retail Price:  $32.19
  • TFM-100EN Desal Encapsulated Reverse Osmosis Membrane

    TFM-100EN Desal Encapsulated Reverse Osmosis Membrane

    $57.99 Retail Price:  $68.99
  • TFM-18 Desal Reverse Osmosis Membrane

    TFM-18 Desal Reverse Osmosis Membrane

    $33.99 Retail Price:  $39.09
  • TFM-24 Desal Reverse Osmosis Membrane

    TFM-24 Desal Reverse Osmosis Membrane

    $24.99 Retail Price:  $47.14
  • TFM-36 Desal Reverse Osmosis Membrane

    TFM-36 Desal Reverse Osmosis Membrane

    $39.99 Retail Price:  $49.44
  • TFM-50 Desal Reverse Osmosis Membrane

    TFM-50 Desal Reverse Osmosis Membrane

    $33.99 Retail Price:  $54.04
  • TFM-50EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-50EB Desal Encapsulated Reverse Osmosis Membrane

    $69.99 Retail Price:  $82.79
  • TFM-75 Desal Reverse Osmosis Membrane

    TFM-75 Desal Reverse Osmosis Membrane

    $46.99 Retail Price:  $56.34
  • TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    $49.99 Retail Price:  $59.79
  • TLC-150EB Desal Encapsulated Reverse Osmosis Membrane
  • FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    $8.99 Retail Price:  $12.64
  • FXWF-1004 EcoWater Reverse Osmosis Pre-Filter Cartridge

    FXWF-1004 EcoWater Reverse Osmosis Pre-Filter Cartridge

    $14.99 Retail Price:  $19.54
  • TW30-1812-100 Filmtec Reverse Osmosis Membrane

    TW30-1812-100 Filmtec Reverse Osmosis Membrane (100GPD)

    $39.99 Retail Price:  $48.29
  • TW30-1812-24 Filmtec Reverse Osmosis Membrane

    TW30-1812-24 Filmtec Reverse Osmosis Membrane

    $23.99 Retail Price:  $40.24
  • TW30-1812-36 Filmtec Reverse Osmosis Membrane

    TW30-1812-36 Filmtec Reverse Osmosis Membrane

    $41.99 Retail Price:  $48.29
  • TW30-1812-50 Filmtec Reverse Osmosis Membrane

    TW30-1812-50 Filmtec Reverse Osmosis Membrane (50 GPD)

    $25.99 Retail Price:  $51.74
  • TW30-1812-75 Filmtec Reverse Osmosis Membrane
  • FQROMF GE Profile SmartWater Ultra Plus Reverse Osmosis Membrane
  • FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set
  • FX12M GE SmartWater Reverse Osmosis Membrane

    FX12M GE SmartWater Reverse Osmosis Membrane

    $58.99 Retail Price:  $71.29
  • FX12P GE SmartWater Reverse Osmosis Filter Set

    FX12P GE SmartWater Reverse Osmosis Filter Set

    $58.99 Retail Price:  $71.29
  • FX18M GE SmartWater Reverse Osmosis Membrane

    FX18M GE SmartWater Reverse Osmosis Membrane

    $72.99 Retail Price:  $94.29
  • FX18P GE SmartWater Reverse Osmosis Filter Set
  • 22125 Hydrologic Stealth-RO Replacement Sediment Filter

    22125 Hydrologic Stealth-RO Sediment Filter

    $13.99 Retail Price:  $15.51
  • CB-25-1005 Hydronix Replacement Filter Cartridge
  • HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    $7.99 Retail Price:  $9.19
  • ROM-16C Pentek Reverse Osmosis Replacement Membrane

    ROM-16C Pentek Reverse Osmosis Replacement Membrane

    $49.99 Retail Price:  $56.80
  • ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    $75.99 Retail Price:  $86.93
  • ROM-26T Pentek Reverse Osmosis Membrane

    ROM-26T Pentek Reverse Osmosis Membrane

    $73.99 Retail Price:  $84.05
  • TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    $75.99 Retail Price:  $82.79
  • 54846 Tier1 Reverse Osmosis Tank Pressure Gauge

    54846 Tier1 Reverse Osmosis Tank Pressure Gauge

    $8.99 Retail Price:  $12.64
  • 6570090 Tier1 Plastic Tank Ball Valve
  • 6570590 Tier1 Plastic Tank Ball Valve

    6570590 Tier1 Plastic Tank Ball Valve

    $6.99 Retail Price:  $10.34
  • TFM-18-A Tier1 Reverse Osmosis Membrane

    TFM-18-A Tier1 Reverse Osmosis Membrane

    $35.99 Retail Price:  $45.99

Items 1 to 48 of 134 total

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