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. W9240002 Doulton Specialty Replacement Filter Cartridge

    W9240002 Doulton Specialty Replacement Water Filter Cartridge

    Fits pressurized Doulton HIP2 Duo and HIP3 Triple housing systems Learn More
    $20.00 MSRP:  $24.99
  2. WS-20 Pentek Water Softening Filter

    WS-20 Pentek Water Softening Filter

    Fits most standard housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $26.99 MSRP:  $35.64
  3. SF100 OmniFilter Shower-Soft Inline Shower Filter

    SF100 OmniFilter Shower-Soft Inline Shower Filter

    Built to fit onto any standard 1/2-inch threaded shower arm Learn More
    $29.99 MSRP:  $35.64
  4. Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $21.09 MSRP:  $27.99
  5. Q5621-P Omnipure Replacement Filter Cartridge

    Q5621-P Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $23.19 MSRP:  $35.99
  6. SPC-45-2010 Hydronix Pleated Sediment Water Filter Cartridge

    SPC-45-2010 Hydronix Pleated Sediment Water Filter Cartridge

    20 inches by 4.5 inches, 10 micron. Fits into systems that use the Liquatec SPF-45-2010 water filter Learn More
    $23.99 MSRP:  $32.19
  7. WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    10 inches by 4.5 inches, 10 micron, fits Culligan HD-950 and 10 inch Big Blue Whole House water filtration systems Learn More
    $20.99 MSRP:  $22.99
  8. NCP-BB Pentek Comparable Whole House Carbon Filter by Tier1

    NCP-BB Pentek Comparable Whole House Carbon Sediment Water Filter by Tier1

    Fits most standard 10-inch housings Learn More
    $28.99 MSRP:  $32.34
  9. SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    10 micron filter fits into water filtration systems that use 20-inch x 4.5-inch filter replacements Learn More

    As Low As $19.16 Per Filter

  10. Pentek EPM-BB Replacement Water Filter Cartridge

    Pentek EPM-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 $23.00 Per Filter

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