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. 155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1

    155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
  2. AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1

    AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
    $7.99 MSRP:  $14.99
  3. FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1

    FXUSC GE Comparable Whole House Sediment Water Filter by Tier1 (2-Pack)

    Fits most standard 10 x 2.5-inch housings Learn More
    $8.99 MSRP:  $12.34
  4. 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

  5. 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
  6. 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
  7. 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
  8. Pentek WP5BB97P Replacement Water Filter Cartridge

    WP5BB97P Pentek Replacement Filter Cartridge

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

    As Low As $18.83 Per Filter

  9. PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    For use in compact filtration system housings that use 2.5 x 10 inch filters Learn More

    As Low As $4.72 Per Filter

  10. 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

  11. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  12. CW-MF Pentek Comparable Whole House Sediment Waters Filter by Tier1 (6-Pack)
  13. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  14. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  15. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  16. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  17. 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

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

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

    Fits most standard 10 x 5-inch housings Learn More
  19. 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

  20. EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $45.83 Per Filter

  21. FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1

    FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $0.00 Per Filter

  22. WRC25HD American Plumber Comparable Whole House Carbon Water Filter by Tier1

    WRC25HD American Plumber Comparable Whole House Radial Flow Carbon Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $0.00 Per Filter

  23. The WGCHD American Plumber Comparable Whole House Radial Flow Carbon Water Filter by Tier1

    WGCHD American Plumber Comparable Whole House Radial Flow Carbon Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $0.00 Per Filter

  24. CB6 OmniFilter Comparable Whole House Carbon Water Filter by Tier1

    CB6 OmniFilter Comparable Whole House Carbon Water Filter by Tier1

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  25. KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1

    KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

Items 1 to 25 of 117 total

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