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. AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1

    AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  2. AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1

    AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  3. SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  4. GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  5. PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  6. PX75-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1

    PX75-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  7. P1-20 Pentek Comparable Sediment Water Filter by Tier1

    P1-20 Pentek Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 2.5-inch filters Learn More

    As Low As $4.54 Per Filter

  8. SDC-25-2001 Hydronix Comparable Sediment Water Filter by Tier1

    SDC-25-2001 Hydronix Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 2.5-inch filters Learn More

    As Low As $0.00 Per Filter

  9. SWC-25-2001 Hydronix Comparable Whole House Sediment Water Filter by Tier 1

    SWC-25-2001 Hydronix Comparable Whole House Sediment Water Filter by Tier 1

    Fits standard filter housings using 20 x 2.5-inch filters Learn More

    As Low As $0.00 Per Filter

  10. PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 2.5-inch filters Learn More

    As Low As $0.00 Per Filter

  11. PS1-20C Pentek Comparable Whole House Sediment Water Filter by Tier1
  12. PX01-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1

    PX01-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 2.5-inch filters Learn More

    As Low As $0.00 Per Filter

  13. SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 5 micron. Fits into systems that use Liquatec SPF-25-2005, Pentek 255486-43 and Watts FM-5-20 water filters Learn More
    $9.99 MSRP:  $20.99
  14. SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 20 micron. Fits into systems that use Liquatec SPF-25-2020, Pentek 255487-43 and Watts FM-20-20 water filters Learn More
    $9.99 MSRP:  $20.99
  15. SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 5 micron. Fits into systems that use Liquatec SPF-25-2005, Pentek 255486-43 and Watts FM-5-20 water filters Learn More

    As Low As $0.00 Per Filter

  16. SPC-25-2010 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2010 Hydronix Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 5 micron. Fits into systems that use Liquatec SPF-25-2005, Pentek 255486-43 and Watts FM-5-20 water filters Learn More

    As Low As $0.00 Per Filter

  17. SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1

    SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1

    20 inches by 2.5 inches, 20 micron. Fits into systems that use Liquatec SPF-25-2020, Pentek 255487-43 and Watts FM-20-20 water filters Learn More

    As Low As $0.00 Per Filter

  18. P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge

    P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge

    Fits standard 20 inch x 2.5 inch filter housings Learn More
    $5.99 MSRP:  $11.99
  19. SDC-25-2050 Hydronix Sediment Water Filter Cartridge

    SDC-25-2050 Hydronix Sediment Water Filter Cartridge

    50 micron filter, sized 2.5x20 inches Learn More
    $8.99 MSRP:  $11.34
  20. PD-50-20 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-50-20 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:  $12.98

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