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

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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

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  1. EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    Fits most standard 20 x 4.5-inch housings Learn More
    $36.99 MSRP:  $48.99
  2. RS2SS OmniFilter Comparable Whole House Water Filter by Tier1

    RS2SS OmniFilter Comparable Whole House Water Filter by Tier1

    Fits most standard 10 x 2.5-inch filter housings Learn More
    $4.99 MSRP:  $9.99
  3. PD-1-934-Pentek Comparable Whole House Sediment Water Filter by Tier1

    PD-1-934-Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  4. P25 Pentek Comparable Whole House Sediment Filter by Tier1
  5. AP117 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    AP117 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

  6. APS117 3M Aqua-Pure Comparable Whole House Carbon Water Filter by Tier1

    APS117 3M Aqua-Pure Comparable Whole House Carbon Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

  7. D-20 Culligan Comparable Whole House Carbon Water Filter by Tier1

    D-20 Culligan Comparable Whole House Carbon Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

  8. CFS117 Cuno Comparable Whole House Sediment Water Filter by Tier1

    CFS117 Cuno Comparable Whole House Sediment Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

  9. HDG-P117 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    HDG-P117 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

  10. WHKF-GAC AP117 Whirlpool Comparable Whole House Sediment Water Filter by Tier1

    WHKF-GAC AP117 Whirlpool Comparable Whole House Sediment Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

  11. P5-D Culligan Comparable Whole House Filter Replacement Cartridge by Tier1 (2-Pack)

    P5-D Culligan Comparable Whole House Filter Replacement Cartridge by Tier1 (2-Pack)

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

    As Low As $3.99 Per Filter

  12. AP124 3M Aqua-Pure Comparable Whole House Filter Replacement Cartridge by Tier1

    AP124 3M Aqua-Pure Comparable Whole House Filter Replacement Cartridge by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  13. WP-5 Pentek Comparable Replacement Filter Cartridge by Tier1

    WP-5 Pentek Comparable Replacement Filter Cartridge by Tier1

    Fits most standard 10 x 2.5-inch filter housings Learn More

    As Low As $0.00 Per Filter

  14. BGE-3200 BevGuard Water Filter Cartridge

    BGE-3200 BevGuard Water Filter Cartridge

    Built for use in systems that use the 3M/Cuno CFS 8112-EL 55817-27 and CFS 8812-ELX 56011-03 filters. Learn More
    $80.39 MSRP:  $102.99
  15. BGE-3200S BevGuard Water Filter Cartridge

    BGE-3200S BevGuard Water Filter Cartridge

    For use in systems that use Everpure 4H, 4K Plus, H-100, H-200, H-300+M, H-1200, MD-HN, OW 200L, OW4-Plus and S-200 water filters Learn More
    $89.69 MSRP:  $113.99
  16. BGE-4200S BevGuard Water Filter Cartridge

    BGE-4200S BevGuard Water Filter Cartridge

    For use in systems that use the Everpure 4C, H-54, H-104, H-300, MD-CN, PBS-400, S-100, S-101 and SPA 4002 water filters Learn More
    $75.99 MSRP:  $94.99
  17. Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Standard 10 inch x 4.5 inch size fits many common whole house filter housings Learn More
    $25.39 MSRP:  $32.99
  18. P5 Pentek Whole House Replacement Sediment Filter Cartridge

    P5 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept standard 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $4.80 Per Filter

  19. Pentek PD-10-934 Whole House Water Filter Replacement Cartridge
  20. Pentek RFC-20 Whole House Water Filter Replacement Cartridge

    RFC-20 Pentek Whole House Filter Replacement Cartridge

    Fits Pentek Big Blue and other heavy duty filter housings Learn More

    As Low As $27.67 Per Filter

  21. RFC20-BB Pentek Carbon Filter Replacement Cartridge

    RFC20-BB Pentek Replacement Filter Cartridge

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

    As Low As $48.50 Per Filter

  22. 3US-AF01 Filtrete Comparable Undersink Filter Replacement Cartridge

    3US-AF01 Filtrete Comparable Undersink Filter Replacement Cartridge By Tier1

    Fits the 3US-AS01 3M Filtrete Undersink Filter System Learn More

    As Low As $14.33 Per Filter

  23. W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)

    W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)

    Fits American Plumber W38-PR and most standard size water filter housings Learn More
    $21.99 MSRP:  $24.34
  24. WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge

    WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge

    Fits American Plumber W10-PR and W15-PR and most other heavy duty water filter housings Learn More
    $35.99 MSRP:  $39.99
  25. WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge

    WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge

    Fits American Plumber W2010-PR and W2015-PR and most other heavy duty water filter housings Learn More
    $69.99 MSRP:  $78.19

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