Discount Water Filters and Air Filters at Discount Filter Store.com

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Water Filtration Systems, Filters, & Parts

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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Items 1 to 25 of 48 total

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  1. TFM-36-A Tier1 Reverse Osmosis Membrane

    TFM-36-A Tier1 Reverse Osmosis Membrane

    Fits select Culligan reverse osmosis systems Learn More
    $36.99 MSRP:  $49.99
  2. Pentek WP5BB97P Replacement Water Filter Cartridge

    WP5BB97P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    As Low As $18.83 Per Filter

  3. FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1

    FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $0.00 Per Filter

  4. FQSVF / FQSLF GE SmartWater Undersink Water Filter Replacement Cartridge Set By Tier1

    FQSVF / FQSLF GE SmartWater Undersink Water Filter Replacement Cartridge Set By Tier1

    Fits GE SmartWater undersink filter systems Learn More
    $36.99 MSRP:  $83.99
  5. K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    Fits directly into many copper or plastic water lines Learn More

    As Low As $0.00 Per Filter

  6. TS-500 Culligan Inline Water Filter Replacement by Tier1

    TS-500 Culligan Inline Water Filter Replacement by Tier1

    Fits directly into many copper or plastic water lines Learn More

    As Low As $0.00 Per Filter

  7. FQK2J GE Undersink Water Filter Set

    FQK2J GE Undersink Water Filter Set

    Fits GE SmartWater undersink filter systems Learn More
    $49.98 MSRP:  $49.99
  8. TFM-36 Desal Comparable Reverse Osmosis Membrane by Tier1

    TFM-36 Desal Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  9. FX12M GE Comparable Reverse Osmosis Membrane by Tier1

    FX12M GE Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  10. TFM-36 Axeon Comparable Reverse Osmosis Membrane by Tier1

    TFM-36 Axeon Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  11. TW30-1812-36 Filmtec Comparable Reverse Osmosis Membrane by Tier1

    TW30-1812-36 Filmtec Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  12. MEM-45 APEC Comparable Reverse Osmosis Membrane by Tier1

    MEM-45 APEC Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  13. AG1812TAE GE Comparable Reverse Osmosis Membrane by Tier1

    AG1812TAE GE Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  14. TLC-36 Pentair Comparable Reverse Osmosis Membrane by Tier1

    TLC-36 Pentair Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  15. W-1812-36 Watts Comparable Reverse Osmosis Membrane by Tier1

    W-1812-36 Watts Comparable Reverse Osmosis Membrane by Tier1

    Fits select Culligan reverse osmosis systems Learn More

    As Low As $0.00 Per Filter

  16. FXSVC GE SmartWater Comparable Undersink Filter Set by Tier1

    FXSVC GE SmartWater Comparable Undersink Filter Set by Tier1

    Fits various brands of under-sink housings, including GE Learn More

    As Low As $0.00 Per Filter

  17. FQROMF GE Profile SmartWater Ultra Plus Reverse Osmosis Membrane

    FQROMF GE Profile SmartWater Ultra Plus Reverse Osmosis Membrane

    Fits GE Profile SmartWater Ultra Plus reverse osmosis filter systems Learn More
    $76.99 MSRP:  $79.99
  18. FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set

    FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set

    Fits GE Profile SmartWater Ultra Plus reverse osmosis filter systems Learn More
    $52.99 MSRP:  $109.99
  19. FQSLF GE SmartWater Undersink Filter Set

    FQSLF GE SmartWater Undersink Filter Set (2 Filters)

    Fits GE SmartWater undersink filter systems Learn More
  20. FQSVF GE SmartWater Undersink Filter Set (packaging)

    GE SmartWater FQSVF Undersink Water Filter Replacement Cartridges

    Fits GE SmartWater undersink filter systems Learn More
    $61.99 MSRP:  $83.99
  21. FX12M GE SmartWater Reverse Osmosis Membrane

    FX12M GE SmartWater Reverse Osmosis Membrane

    Fits GE SmartWater reverse osmosis filter systems with model numbers starting with "PNRV12", "GXRV10", or "GXRM10" Learn More
    $62.29 MSRP:  $89.99
  22. FX12P GE SmartWater Reverse Osmosis Filter Set

    FX12P GE SmartWater Reverse Osmosis Filter Set

    Fits GE SmartWater reverse osmosis filter systems with model numbers starting with "PNRV12", "GXRV10", or "GXRM10" Learn More
    $62.29 MSRP:  $82.99
  23. FX18M GE SmartWater Reverse Osmosis Membrane

    FX18M GE SmartWater Reverse Osmosis Membrane

    Fits GE SmartWater reverse osmosis filter systems with model numbers starting with "NRV18" Learn More
    $77.09 MSRP:  $127.99
  24. FX18P GE SmartWater Reverse Osmosis Filter Set

    FX18P GE SmartWater Reverse Osmosis Filter Set

    Fits GE SmartWater reverse osmosis filter systems with model numbers starting with "NRV18" Learn More
  25. FXMLH GE Faucet Filter Replacement Cartridge

    FXMLH GE Faucet Filter Replacement Cartridge (2-Pack)

    Fits GE GXFM07HBL and GXFM07HWW faucet mounted water filter systems Learn More

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