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. SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $13.99 MSRP:  $17.34
  2. P1-30 Pentek Whole House Replacement Sediment Filter Cartridge

    P1-30 Pentek Whole House Sediment Water Filter

    Fits most water filtration system housings that accept standard 30-inch x 2.5-inch filter cartridges Learn More
    $20.99
  3. PD-1-20 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-1-20 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $9.99 MSRP:  $11.72
  4. PD-1-40 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-1-40 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 40-inch x 2.5-inch water filter cartridges Learn More
    $21.99
  5. WP1BB20P Pentek Whole House Filter Replacement Cartridge

    WP1BB20P Pentek Whole House Filter Replacement Cartridge

    Fits Pentek Big Blue and other heavy-duty filter housings that use 20-inch filters Learn More
    $36.99 MSRP:  $39.55
  6. WP1BB97P Pentek Replacement Filter Cartridge

    WP1BB97P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $17.99
  7. ECP1-20 Pentek Replacement Filter Cartridge

    ECP1-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $15.99 MSRP:  $17.70
  8. SWC-45-2001 Hydronix String Wound Sediment Water Filter

    SWC-45-2001 Hydronix String-Wound Sediment Water Filter

    20 inches by 4.5 inches, 1 micron. Fits into Big Blue water filtration housings systems that use Liquatec SWF-45-2001, Pentek: 355222-43 and Watts SF1-20-425 water filters Learn More
    $27.99
  9. SPC-25-2001 Hydronix Pleated Sediment Water Filter

    SPC-25-2001 Hydronix Pleated Sediment Water Filter

    20 inches by 2.5 inches, 1 micron. Built to replace Liquatec SPF-25-2001, Pentek 255485-43 and Watts FM-1-20 water filters Learn More
    $18.99 MSRP:  $25.99
  10. SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    10 inches by 4.5 inches, 1 micron. Fits most 10-inch Big Blue filter housings and replaces Liquatec SWF-45-1001, Pentek 355213-43 and Watts SF1-10-425 water filters. Learn More
    $17.99 MSRP:  $18.39
  11. CB-25-2001 Hydronix Carbon Water Filter Replacement

    CB-25-2001 Hydronix Carbon Water Filter Replacement

    Sized at 20 x 2.5 inches. 1 micron. Learn More
    $28.99 MSRP:  $35.99
  12. Pentek PD-1-30 Polypropylene Sediment Filter

    Pentek PD-1-30 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size and double open end design fits many common filter housings Learn More
    $21.99
  13. PCC212 Pentek Replacement Filter Cartridge

    PCC212 Pentek Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $18.83 Per Filter

  14. AP1001 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    AP1001 3M Aqua-Pure 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

  15. AP-GRMB-01PP-10UB 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    AP-GRMB-01PP-10UB 3M Aqua-Pure 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

  16. P1-D Culligan Comparable Whole House Sediment Water Filter by Tier1

    P1-D Culligan 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. SBC-25-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SBC-25-1001 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

  18. SDC-25-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-1001 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. GX01-9-78 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    GX01-9-78 Hytrex 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. SDC-45-2001 Hydronix Comparable Whole House Replacement Sediment Filter Cartridge by Tier1

    SDC-45-2001 Hydronix Comparable Whole House Replacement Sediment Filter Cartridge by Tier1

    Fits most standard 20 x 5-inch housings Learn More

    As Low As $0.00 Per Filter

  21. PCC218 Pentek Replacement Filter Cartridge

    PCC218 Pentek Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $23.99 MSRP:  $26.44
  22. PD-1-934 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-1-934 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $6.99 MSRP:  $8.15
  23. PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge

    PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $6.99 MSRP:  $10.99
  24. BP-410-1 Pentek Polypropylene Bag Filter

    BP-410-1 Pentek Polypropylene Bag Filter

    Fits Pentek PBH-410 housings Learn More
    $4.99 MSRP:  $7.00
  25. BP-420-1 Pentek Polypropylene Bag Filter

    BP-420-1 Pentek Polypropylene Bag Filter

    Fits Pentek PBH-420 housings Learn More
    $5.99 MSRP:  $8.15

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