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. 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter

    55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter

    Fits Elkay and Halsey-Taylor Water Sentry VII drinking fountains Learn More
  2. W9222900 Doulton Ceramic Water Filter

    W9222900 Doulton Slim Line SuperCarb Undersink Ceramic Water Filter

    Fits Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $26.05 MSRP:  $52.73
  3. CL6ROT33-A Omnipure GAC Inline Water Filter

    CL6ROT33-A Omnipure GAC Inline Water Filter

    Ideal for use in water coolers, drinking fountains, under sink systems, ice machines, and reverse osmosis systems Learn More
  4. IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  5. CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    Fits most standard 10-inch x 2.5-inch housings Learn More
    $15.39 MSRP:  $23.99
  6. P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    Fits SGP195BN-T Espresso Filtration System Learn More
    $176.99 MSRP:  $237.99
  7. Pentek CHLORPLUS-10 Whole House Water Filter Replacement Cartridge

    Pentek ChlorPlus-10 Whole House Carbon Block Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $18.00 Per Filter

  8. WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  9. IN-WF0190 Comparable Inline Coconut Carbon Water Filter By Tier1

    IN-WF0190 Inline Coconut Carbon Water Filter By Tier1

    Fits most standard 3/8 inch water lines Learn More
    $8.99 MSRP:  $12.99
  10. CL6ROT33-B Omnipure Comparable Granular Activated Inline Water Filter by Tier1
  11. ICF-10 Hydronix Comparable Granular Activated Carbon Inline Water Filter by Tier1
  12. TS-101L Pentek Comparable Granular Activated Carbon Inline Water Filter by Tier1
  13. K2333-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  14. K2533-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  15. K5633JJ Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  16. K2528-KK Omnipure Comparable Inline Coconut Carbon Water Filter Tier1

    K2528-KK Omnipure Comparable Inline Coconut Carbon Water Filter By Tier1

    Fits most standard 3/8 inch water lines Learn More

    As Low As $0.00 Per Filter

  17. IC-101L Pentek Comparable Granular Activated Carbon Inline Water Filter by Tier1
  18. AP327 3M Aqua-Pure Water Filter Replacement Cartridge

    AP327 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
    $37.49 MSRP:  $50.99
  19. DW-2000-RB American Plumber Replacement Filter Cartridge

    DW-2000-RB American Plumber Replacement Filter Cartridge

    Fits American Plumber DW-1200, DW-2000 and select Culligan systems Learn More
    $59.99 MSRP:  $61.28
  20. WIC-6A American Plumber Inline Icemaker Filter
  21. 110720 Amway eSpring UV Water Purification System

    110720 Amway eSpring UV Water Purification System

    Fits standard 3/8-inch outside diameter x 1/4-inch inside diameter plastic or copper water line Learn More
  22. 3M Aqua-Pure AP317 Water Filter Replacement Cartridge

    AP317 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
    $54.59 MSRP:  $78.99
  23. 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $25.99 MSRP:  $34.49
  24. 3M Aqua-Pure AP-DW85 Water Filter Replacement Cartridge

    AP-DW85 3M Aqua-Pure Undersink Filter Replacement Cartridge

    Fits 3M Aqua-Pure undersink water filter systems Learn More
    $56.59 MSRP:  $75.99
  25. EP15 3M Aqua-Pure Whole House Water Filter

    EP15 3M Aqua-Pure Whole House Water Filter Cartridge

    For use in 3M Aqua-Pure and Everpure whole house water filtration systems Learn More
    $69.99 MSRP:  $82.79

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