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. CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1

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

    Fits most standard 10 x 2.5-inch housings Learn More
    $9.99 MSRP:  $12.99

    Out of stock

  2. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

    The CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
    $4.99 MSRP:  $9.99
  3. CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
    $4.99 MSRP:  $9.99
  4. 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
  5. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  6. CW-MF Pentek Comparable Whole House Sediment Waters Filter by Tier1 (6-Pack)
  7. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  8. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  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. S1-20BB Pentek Comparable Whole House Water Filter by Tier1

    S1-20BB Pentek Comparable Whole House Water Filter by Tier1

    Fits PENTEK S1-20BB, American Plumber W20CLHD20 and 155305 Learn More

    As Low As $15.33 Per Filter

  12. 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

  13. 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

  14. 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

  15. 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

  16. W30W American Plumber Comparable Whole House Sediment Water Filter by Tier1

    W30W American Plumber 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

  17. W50W American Plumber Comparable Whole House Sediment Water Filter by Tier1

    W50W American Plumber 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

  18. SWC-25-1030 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SWC-25-1030 Hydronix 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

  19. SWC-25-1050-Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SWC-25-1050-Hydronix 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

  20. SWC-25-10100 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SWC-25-10100 Hydronix 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

  21. CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    CW-50 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

  22. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

    CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $4.50 Per Filter

  23. WP-30 Pentek Comparable Whole House Sediment Filter by Tier1

    WP-30 Pentek Comparable Whole House Sediment Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $0.00 Per Filter

  24. RS7-SS OmniFilter Comparable Whole House Sediment Water Filter by Tier1

    RS7-SS OmniFilter 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

  25. 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

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