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. S1A-D Culligan Comparable Whole House Sediment Water Filter 2-Pack by Tier1

    S1A-D Culligan Comparable Whole House Sediment Water Filter by Tier1(2-Pack)

    Fits most standard 10 x 2.5-inch housings Learn More
    $5.99 MSRP:  $12.99
  2. W20CLA American Plumber Comparable Whole House Water Filter by Tier1

    W20CLA American Plumber Comparable Whole House Water Filter by Tier1 (2-Pack)

    Standard 10 inch by 2.5 inch size fits many standard size filter housings Learn More
    $6.99 MSRP:  $10.99
  3. EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    Fits standard 20 x 2.5-inch housings Learn More
    $11.99 MSRP:  $20.99
  4. RS1SS OmniFilter Comparable Whole House Water Filter by Tier1

    RS1SS OmniFilter Comparable Whole House Water Filter by Tier1

    Fits OmniFilter RS1-SS and GE FXWPC Learn More
    $5.99 MSRP:  $10.99
  5. CP5-BBS-D Culligan Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  6. CP5-BBS-D Culligan Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  7. CP5-BBS-D Culligan Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  8. CP5-BBS-D Culligan Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)

    CP5-BBS-D Culligan Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)

    Fits most standard 10 x 5-inch housings Learn More

    (Retail Price: $332.99 ) $224.99

  9. Pentek S1-BB Replacement Water Filter Cartridge

    Pentek S1-BB Water Filter Cartridge Replacement

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    As Low As $5.40 Per Filter

  10. CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1

    CP5-BBS-D Tier1 Culligan Comparable Whole House Sediment Water Filter

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $8.00 Per Filter

  11. CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1

    W30PEHD American Plumber 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. CQE-RC-04033 Crystal Quest Comparable Whole House Water Filter by Tier1

    CQE-RC-04033 Crystal Quest 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

  13. HB-10-5W Harmsco Comparable Whole House Sediment Water Filter by Tier1

    HB-10-5W Harmsco 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

  14. SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-1001 Hydronix 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

  15. SPC-45-1005 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-1005 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $10.00 Per Filter

  16. SPC-45-1010 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SPC-45-1010 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $10.00 Per Filter

  17. RS15 Omnifilter Comparable Whole House Sediment Water Filter by Tier1

    RS15 Omnifilter 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

  18. ECP50-BB Pentek Comparable Whole House Sediment Filter by Tier1

    ECP50-BB Pentek Comparable Whole House Sediment Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $0.00 Per Filter

  19. TO6 OmniFilter Comparable Whole House Sediment Water Filter by Tier1

    TO6 OmniFilter Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $10.00 Per Filter

  20. FMHC-90-5EZ Watts Comparable Whole House Sediment Water Filter by Tier1

    FMHC-90-5EZ Watts 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

  21. W20CLA American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W20CLA American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)

    Built to fit into American Plumber W34-PR, WC34-PR and WVC34 whole house water filtration systems, in addition to most standard size water filtration system housings Learn More
    $11.99 MSRP:  $15.34
  22. W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $16.99 MSRP:  $18.04
  23. W30W American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)

    W30W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $12.99 MSRP:  $16.34
  24. W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $16.99 MSRP:  $18.39
  25. W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $13.99 MSRP:  $17.34

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