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 CHLORPLUS-10 Whole House Water Filter Replacement Cartridge

    Pentek ChlorPlus-10 Whole House Carbon Block Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $18.00 Per Filter

  9. Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $4.83 Per Filter

  10. ECP5-BB Pentek Whole House Water Filter

    Pentek ECP5-BB Whole House Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $10.99 Per Filter

  11. Pentek ECP50-BB Whole House Water Filter Replacement Cartridge

    Pentek ECP50-BB Pleated Sediment Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $19.66 Per Filter

  12. EPM-20 Pentek Whole House Water Filter

    Pentek EPM-20 Whole House Water Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $12.00 Per Filter

  13. Pentek NCP-20 Whole House Water Filter Replacement Cartridge

    Pentek NCP-20 Whole House Water Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $13.00 Per Filter

  14. NCP-BB Pentek Whole House Water Filter
  15. Pentek P1-20 Whole House Water Filter Replacement Cartridge

    Pentek P1-20 Sediment Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $9.75 Per Filter

  16. Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)

    P1 Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $5.60 Per Filter

  17. Pentek S1 Pleated Whole House Sediment Filter

    Pentek S1 Sediment Whole House Water Filter Cartridge Replacement

    Fits any standard water filtration system housing that uses 9 3/4-inch x 2 1/2-inch cartridges Learn More

    As Low As $5.40 Per Filter

  18. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  19. CW-MF Pentek Comparable Whole House Sediment Waters Filter by Tier1 (6-Pack)
  20. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  21. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  22. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  23. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  24. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  25. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

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