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

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Water Filtration Systems & Filters

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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  1. FXWTC GE Comparable Whole House Water Filter 2-Pack by Tier1

    FXWTC GE Comparable Whole House Water Filter by Tier1 (2-Pack)

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More
    $11.99 MSRP:  $15.99
  2. K5666-KK Omnipure Inline Fluoride Filter

    K5666-KK Omnipure Inline Fluoride Filter

    Fits standard 3/8-inch water lines Learn More
    $39.59 MSRP:  $53.99
  3. Pentek NCP-20 Whole House Water Filter Replacement Cartridge

    Pentek NCP-20 Whole House Water Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $13.00 Per Filter

  4. W5CIP American Plumber Whole House Carbon Water Filter by Tier1

    W5CIP American Plumber Whole House Carbon Water Filter by Tier1

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More

    As Low As $0.00 Per Filter

  5. D-10 Twin Culligan Comparable Whole House Carbon Water Filter by Tier1

    D-10 Twin Culligan Comparable Whole House Carbon Water Filter by Tier1

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More

    As Low As $0.00 Per Filter

  6. D-15 Culligan Whole Comparable House Carbon Water Filter by Tier1

    D-15 Culligan Whole Comparable House Carbon Water Filter by Tier1

    Fits into most industry standard 10-inch water filtration system housings Learn More

    As Low As $0.00 Per Filter

  7. WH-STDCW-F02 Filtrete Comparable Whole House Carbon Filter by Tier1

    3WH-STDCW-F02 Filtrete Comparable Whole House Carbon Filter by Tier1

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More

    As Low As $0.00 Per Filter

  8. TO1DS OMNIFILTER Comparable Whole House Carbon Water Filter by Tier1 (2-Pack)

    TO1DS OMNIFILTER Comparable Whole House Carbon Water Filter by Tier1

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More

    As Low As $0.00 Per Filter

  9. C1 Pentek Comparable Whole House Carbon Water Filter by Tier1

    C1 Pentek Comparable Whole House Carbon Water Filter by Tier1

    Fits GE FXWTC, FXUSC, FXWSC and FWPC Learn More

    As Low As $0.00 Per Filter

  10. 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
  11. FQK2J GE SmartWater Undersink Water Filter Replacement Cartridge Set by Tier1

    FQK2J GE SmartWater Undersink Water Filter Replacement Cartridge Set by Tier1

    Fits GE SmartWater undersink filter systems Learn More

    As Low As $0.00 Per Filter

  12. 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
  13. WI-BG3000C Body Glove Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    Fits the Body Glove BG-3000 Water Filter System Learn More
    $158.99 MSRP:  $192.95
  14. WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    Fits existing Everpure C-300 Filtration Systems Learn More
    $145.99 MSRP:  $174.95
  15. CB3 OmniFilter Undersink Filter Replacement Cartridge

    CB3-SS6-06 OmniFilter Undersink Filter Replacement Cartridge

    Fits any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $50.99
  16. C-2 Culligan RV Filter Replacement Cartridge (2-Pack)

    C-2 Culligan RV Filter Replacement Cartridge (2-Pack)

    Fits Culligan US-316 and most 4 7/8-inch x 2 1/2-inch size water filters Learn More
  17. D-10-TWIN Culligan Level 1 Undersink Filter Replacement Cartridge (2-Pack)

    D-10A Culligan Level 1 Undersink Filter Replacement Cartridge (2-Pack)

    Fits Culligan US-550, US-600, US-600A, SY-2000, SY-2100, and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $13.99 MSRP:  $17.93
  18. D-15 Culligan Level 1 Undersink Filter Replacement Cartridge (2-Pack)

    D-15 Culligan Level 1 Undersink Filter Replacement Cartridge (2-Pack)

    Fits Culligan US-550, US-600, US-600A, RO-3000, RO-3500, RVF-10 and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $19.59 MSRP:  $29.99
  19. NCP-10 Culligan Whole House Filter Replacement Cartridge

    NCP-10 Culligan Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  20. RVF-10 Culligan RV Pre-Tank Exterior Filter

    RVF-10 Culligan RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
    $34.99 MSRP:  $38.51
  21. RWC-5 Culligan Level 1 Undersink Filter Replacement Cartridge

    RWC-5 Culligan Level 1 Undersink Filter Replacement Cartridge

    Fits Culligan Fulflo, WC12, LCA, WS-12, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $12.99 MSRP:  $17.24
  22. P-124B Cuno Whole House Filter Replacement Cartridge

    P-124B Cuno Whole House Water Filter Cartridge

    Fits the Cuno Food Service ScaleGuard Pro Softening Systems SGP-124B and SGP-248B Learn More
    $97.05 MSRP:  $128.79
  23. W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    Fits all Doulton Gravity systems Learn More
    $29.00 MSRP:  $47.91
  24. EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    $105.99 MSRP:  $176.99
  25. EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge

    EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge

    Fits Professional Series 3500 Drinking Water Systems Learn More
    $120.49 MSRP:  $170.99

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