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. SPC-25-2020 Hydronix Pleated Sediment Water Filter

    SPC-25-2020 Hydronix Pleated Sediment Water Filter

    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
    $14.99 MSRP:  $20.99
  2. 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
  3. Hydronix SDC-45-1020 Sediment Filter Cartridge

    SDC-45-1020 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

    As Low As $13.50 Per Filter

  4. SDC-45-2020 Hydronix Sediment Water Filter
  5. SPC-25-1020 Hydronix Sediment Water Filter

    SPC-25-1020 Hydronix Pleated Sediment Water Filter

    9 7/8 inches by 2.5 inches, 20 micron. Fits into filtration systems that use Liquatec SPF-25-1020, Pentek 255483-43 and Watts FM-20-975 water filters Learn More

    As Low As $5.00 Per Filter

  6. Hydronix SPC-45-1020 Pleated Sediment Water Filter

    SPC-45-1020 Hydronix Pleated Sediment Water Filter (10 in x 4.5 in, 20 Micron)

    Fits into systems that use the Liquatec SPF-45-1020, Pentek 255491-43 and Watts FM-BB-10-20 water filters Learn More

    As Low As $18.00 Per Filter

  7. SPC-45-2020 Hydronix Pleated Sediment Filter

    SPC-45-2020 Hydronix Pleated Sediment Water Filter (20 in x 4.5 in, 20 Micron)

    Fits into systems that use the Liquatec SPF-45-2020, Pentek 255495-43 and Watts FM-BB-20-20 water filters Learn More

    As Low As $23.33 Per Filter

  8. SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1

    SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 10 x 4.5-inch filters Learn More

    As Low As $9.80 Per Filter

  9. 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

  10. FPMB-BB20-10 Watts Comparable Whole House Sediment Water Filter by Tier 1

    FPMB-BB20-10 Watts Comparable Whole House Sediment Water Filter by Tier 1

    Fits standard filter housings using 10 x 4.5-inch filters Learn More

    As Low As $0.00 Per Filter

  11. SPC-45-1020 Hydronix Comparable Pleated Sediment Water Filter (10 in x 4.5 in, 20 Micron) by Tier1

    SPC-45-1020 Hydronix Comparable Pleated Sediment Water Filter (10 in x 4.5 in, 20 Micron) by Tier1

    Fits into systems that use the Liquatec SPF-45-1020, Pentek 255491-43 and Watts FM-BB-10-20 water filters Learn More

    As Low As $0.00 Per Filter

    Out of stock

  12. 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

    Out of stock

  13. SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $4.99 MSRP:  $5.05
  14. SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge

    SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $7.99 MSRP:  $11.34
  15. PX20-20 Purtrex Replacement Filter Cartridge

    PX20-20 Purtrex Replacement Water Filter

    For industry standard filtration system housings that use 2.5-inch x 20-inch replacement filters Learn More
    $4.99 MSRP:  $8.04
  16. PX20-9-78 Purtrex Replacement Filter Cartridge

    PX20-9-78 Purtrex Water Filter Cartridge

    Fits compact water filtration system housings that use 2.5-inch x 10-inch replacement filters Learn More
    $4.09 MSRP:  $9.99

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