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. ZR-001-B ZeroWater 5-Stage Dual Ion Exchange Filter Replacement Cartridge
  2. DuPont WFPTC053X Water Pitcher Replacement Cartridge 3 Pack

    DuPont WFPTC053X Water Pitcher Replacement Cartridge 3 Pack

    Fits DuPont Water Filter Pitchers: DUPONT-WPT100XW, DUPONT-WFPT075X, DUPONT-WFPT200X Learn More
  3. Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge

    SDC-45-2001 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More

    As Low As $18.66 Per Filter

  4. SDC-45-2020 Hydronix Sediment Water Filter
  5. SPC-45-2020 Hydronix Pleated Sediment Filter

    SPC-45-2020 Hydronix Pleated Sediment Water Filter (20 in x 4.5 in, 20 Micron)

    Fits into systems that use the Liquatec SPF-45-2020, Pentek 255495-43 and Watts FM-BB-20-20 water filters Learn More

    As Low As $19.16 Per Filter

  6. K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $21.09 MSRP:  $33.99
  7. P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits in housings that accept 20 x 4 1/2 inch replacement filters Learn More
    $21.99
  8. Brita 23.7-oz Hard-Sided Water Bottle – Light Pink (#35811)
  9. SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    10 micron filter fits into water filtration systems that use 20-inch x 4.5-inch filter replacements Learn More

    As Low As $19.16 Per Filter

  10. Pentek ECP50-BB Whole House Water Filter Replacement Cartridge

    Pentek ECP50-BB Pleated Sediment Water Filter Replacement Cartridge

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

    As Low As $19.66 Per Filter

  11. RS6-SS2-S06 OmniFilter Whole House Cartridge

    RS6-SS2-S06 OmniFilter Whole House Water Filter Cartridge

    Fits any brand of heavy duty whole house water filtration system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More

    As Low As $19.83 Per Filter

  12. P1-20BB Sediment Water Filter by Tier1

    P1-20BB Sediment Water Filter by Tier1

    Fits in standard 20 x 4-1/2 inch sized housings Learn More

    As Low As $14.94 Per Filter

  13. 64553 Jura Clearyl Coffee Machine Replacement Cartridge

    64553 Jura Clearyl Coffee Machine Replacement Cartridge

    Fits all Jura automatic coffee machines Learn More
    $22.19 MSRP:  $33.99
  14. WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  15. WFDWC40001 DuPont Universal Drinking Water Carbon Block Cartridge

    WFDWC40001 DuPont Universal Drinking Water Carbon Block Cartridge

    Fits WFDW120009W DuPont Universal Drinking Water Filter System and other brands of 10-inch standard-size filter systems Learn More
  16. 1833-0005 WaterBrick 1.6 Gallon Stackable Water and Food Storage
  17. 1833-0006 WaterBrick 1.6 Gallon Stackable Water and Food Storage
  18. Pentek 158599 Clear 3G Slim Line Filter Housing

    Pentek 158599 Clear 3G Slim Line Filter Housing

    Receives any standard 10 inch by 2.5 inch filter cartridge Learn More
    $22.99 MSRP:  $28.99
  19. DGD-7525-20 Pentek Whole House Water Filter

    DGD-7525-20 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 20-inch x 4.5-inch water filter cartridges Learn More

    As Low As $21.00 Per Filter

  20. 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

  21. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $14.94 Per Filter

  22. ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $20.33 Per Filter

  23. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  24. CQE-RC-04034 Crystal Quest Comparable Whole House Sediment Water Filter by Tier1

    CQE-RC-04034 Crystal Quest Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  25. HB-20-5W Harmsco Comparable Whole House Sediment Water Filter by Tier1

    Harmsco HB-20-5W Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More

    As Low As $0.00 Per Filter

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