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. 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
  3. TIER1-GAC-20BB Replacement Granular Activated Carbon Filter by Tier1

    TIER1-GAC-20BB Replacement Granular Activated Carbon Filter by Tier1

    The TIER1-GAC-20BB replacement granular activated carbon filter by Tier1, is universal for a variety of water filter housings sized 20x4.5 inches. Learn More
    $37.99
  4. 22160 Triton Replacement Sediment Filter Cartridge by Hydrologic

    22160 10-inch by 2.5-inch Triton Replacement Sediment Filter Cartridge by Hydrologic

    Fits most standard 10 inches x 2.5 inch housings Learn More
    $12.99 MSRP:  $17.99
  5. K2586-KK Omnipure Inline Water Filter

    K2586-KK Omnipure Inline Water Filter

    Fits standard 3/8-inch copper and plastic water lines Learn More
    $14.29 MSRP:  $20.99
  6. DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System
  7. K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    Fits standard 3/8-inch water lines Learn More
    $11.99 MSRP:  $17.99
  8. P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    Fits SGP195BN-T Espresso Filtration System Learn More
    $176.99 MSRP:  $237.99
  9. 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

  10. NCP-20BB Pentek Whole House Filter Replacement

    NCP-20BB Pentek Whole House Filter Replacement Cartridge

    Fits Pentek Big Blue and most standard 20-inch heavy duty housings that use 20-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $33.33 Per Filter

  11. EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More

    As Low As $15.60 Per Filter

  12. WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  13. CL6ROT33-B Omnipure Comparable Granular Activated Inline Water Filter by Tier1
  14. ICF-10 Hydronix Comparable Granular Activated Carbon Inline Water Filter by Tier1
  15. TS-101L Pentek Comparable Granular Activated Carbon Inline Water Filter by Tier1
  16. K2333-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  17. K2533-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  18. K5633JJ Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  19. 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

  20. IC-101L Pentek Comparable Granular Activated Carbon Inline Water Filter by Tier1
  21. AP317 Aquapure Comparable Food Service Replacement Filter by Tier1

    AP317 Aquapure Comparable Food Service Replacement Filter by Tier1

    Fits QL1, QL2, QL3, QL3B, QL7I Single Heads Learn More

    As Low As $0.00 Per Filter

    Out of stock

  22. 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
  23. DW-200-R American Plumber Undersink Filter Replacement Cartridge

    DW-200-R American Plumber Undersink Filter Replacement Cartridge

    Fits Cuno AP-200 and PurWater PW-200 housings Learn More
    $19.59 MSRP:  $26.99
  24. WIC-6A American Plumber Inline Icemaker Filter
  25. WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings

    WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings

    Fits any 1/4-inch water line Learn More
    $15.39 MSRP:  $20.00

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