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. 3WH-HDPL-F01 Filtrete Replacement Filter Cartridge
  2. 3WH-HD-S01 Filtrete Whole House Sump System
  3. 4WH-HDGAC-F01 Filtrete Replacement Filter Cartridge
  4. 4WH-HDGR-F01 Filtrete Replacement Filter Cartridge
  5. 4WH-QCTO-F01 Filtrete Replacement Filter Cartridge

    4WH-QCTO-F01 3M Filtrete Replacement Water Filter

    Fits 3M Filtrete High Performance Whole House water filtration systems Learn More
    $96.99 MSRP:  $128.79
  6. 4WH-QCTO-S01 Filtrete Whole House Filter System
  7. 4WH-QS-F01 Filtrete Replacement Filter Cartridge

    4WH-QS-F01 3M Filtrete Replacement Water Filter

    Fits 3M Filtrete High Performance Whole House water filtration systems Learn More
    $59.99 MSRP:  $82.79
  8. 4WH-QS-S01 Filtrete Whole House Filter System
  9. 4WH-STDGR-F02 Filtrete Replacement Filter Cartridge (2-Pack)
  10. Pentek PD-10-934 Whole House Water Filter Replacement Cartridge
  11. 4WH-HDGR-F01 Filtrete Comparable Whole House Sediment Water Filter by Tier1

    4WH-HDGR-F01 Filtrete Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $0.00 Per Filter

  12. RB01-W01-2 Filtrete 16.9-Ounce Water Station Replacement Water Bottle (2-Pack)
  13. Filtrete RB01-MC02-2PK Water Bottles

    Filtrete RB01-MC02-2PK Water Bottles

    For use with the Filtrete Water Station Learn More
  14. 3US-AF01 Filtrete Undersink Filter Replacement Cartridge

    3US-AF01 Filtrete Undersink Filter Replacement Cartridge

    Fits Filtrete 3US-AS01, 3US-PS01, and Whirlpool WHCF-SUF, WHCF-SUFC water filter systems Learn More
    $27.99 MSRP:  $28.99
  15. 3US-AS01 Filtrete Undersink Filter System
  16. 3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    Fits Filtrete 3US-AS01, 3US-PS01, and Whirlpool WHCF-SUF, WHCF-SUFC water filter systems Learn More
    $35.99 MSRP:  $37.99
  17. 3US-PS01 Filtrete Undersink Filter System
  18. 3WH-STDCW-F02 Filtrete Replacement Filter Cartridge (2-Pack)
  19. 3WH-STDPL-F02 Filtrete Replacement Filter Cartridge (2-Pack)
  20. 3WH-STD-S01 Filtrete Whole House Sump System
  21. 3WH-STDSW-F02 3M Filtrete Replacement Water Filter Cartridges (2-Pack)
  22. 4US-MAXL-F01 Filtrete Replacement Filter Cartridge

    4US-MAXL-F01 3M Filtrete Replacement Water Filter Cartridge

    Fits 3M Filtrete High Performance Drinking Water Filtration systems Learn More
    $32.89 MSRP:  $44.99
  23. 4US-MAXL-S01 Filtrete Single Stage Drinking Water System
  24. 4US-MAXS-F01 Filtrete Replacement Filter Cartridge

    4US-MAXS-F01 3M Filtrete Water Filter Cartridge

    Fits the 3M Filtrete High Performance Drinking water filtration system Learn More
  25. 4US-MAXS-S01 Filtrete Single Stage Drinking Water System

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