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. HYDRONIX-SDC-25-3005
  2. HYDRONIX-SPC-25-1030
  3. TIER1-KDF55-20BB

    TIER1-KDF55-20BB

    $89.99 MSRP:  $109.99
  4. P10-30 Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron)

    PD-10-30 Pentek Comparable Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron)

    Made to fit housings sized 30 x 2.5 inches Learn More
    $13.99 MSRP:  $19.99
  5. CFBC-10 Pentek Whole House Carbon Block Water Filter

    CFBC-10 Pentek Whole House Carbon Block Water Filter

    Fits in housings that accept 10 x 2-1/2 inch replacement filters Learn More
    $13.99
  6. TIER1-P5-30

    TIER1-P5-30

    $6.95
  7. 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
  8. TIER1-AP110-934

    TIER1-AP110-934

    $7.99
  9. 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
  10. TIER1-AP85-934

    TIER1-AP85-934

    $18.99
  11. TIER1-C5-20
  12. 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
    $7.99 MSRP:  $12.99
  13. 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
  14. R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More
    $13.99 MSRP:  $17.34
  15. RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  16. 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
  17. TIER1-EPM10-20

    TIER1-EPM10-20

    $11.99
  18. TIER1-EPM4-20BB

    TIER1-EPM4-20BB

    $36.99 MSRP:  $48.99
  19. TIER1-P25-934

    TIER1-P25-934

    $3.99
  20. DGD-2501-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    DGD-2501-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 20 x 5-inch housings Learn More
    $18.99 MSRP:  $24.99
  21. R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits many styles of water filter housings that accept 20 x 5-inch filters Learn More
    $18.99 MSRP:  $25.99 As low as: $18.99
  22. PENTEK-255579-43

    PENTEK-255579-43

    $14.29 MSRP:  $18.99
  23. PENTEK-CB1-10

    PENTEK-CB1-10

    $15.39
  24. 150564 Pentek Whole House Water Filter System (Clear/ Blue)

    150564 Pentek Whole House Water Filter System (Clear/ Blue)

    Fits Quick Connect 3/4-inch NPT Learn More
    $77.99
  25. 255541-43 Pentek Inline Water Filter Replacement

Items 1 to 25 of 678 total

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