Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

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Water Filtration Systems, Filters, & Parts

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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  • 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  • 8014931 Katadyn Vario Backcountry Series Microfilter Water Filter
  • AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter
  • AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    $36.99
    MSRP: $56.39
    Save 34%
  • WFFM350XBN DuPont Deluxe Faucet Mount Drinking Water Filter - Brushed Nickel
  • WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  • C1-20 Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)
  • Aries AF-10-2054 Coconut Granular Activated Carbon

    Aries AF-10-2054 Coconut Granular Activated Carbon

    $75.99
    MSRP: $91.99
    Save 17%
  • Aries AF-10-2115 KDF/Granular Activated Carbon

    Aries AF-10-2115 KDF/Granular Activated Carbon

    $39.99
    MSRP: $49.00
    Save 18%
  • GAC20-BB Pentek Whole House Water Filter
  • Everpure EV9720-06 Comparable Food Service Replacement Filter by Tier1
  • Everpure EV9612-22 Comparable Food Service Replacement Filter by Tier1
  • Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier1
  • PB1-HD20 KX Matrikx Comparable Whole House Carbon Water Filter by Tier1
  • 22070 Hydrologic Comparable Whole House Carbon Filter by Tier1
  • ELF-1M-P-KDF / EV9270-72 Comparable Water Filter Replacement Cartridge by Tier1
  • WRC25HD20 American Plumber Comparable Granular Activated Carbon Filter by Tier1
  • GAC20-BB Pentek Comparable Granular Activated Carbon Filter by Tier1
  • AP817-2 Aquapure Comparable Granular Activated Carbon Filter by Tier1
  • FXB20RFL Filtrex Comparable Granular Activated Carbon Filter by Tier1
  • EV9612-56 Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier
  • EV9601-00 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9600-00 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9720-06 Everpure Comparable Food Service Replacement Filter by Tier1
  • EVERPURE EV9612-22 Comparable Food Service Replacement Filter by Tier1
  • EVERPURE-EV9612-21 Comparable Food Service Replacement Filter by Tier1
  • EV9612-27 Everpure Comparable Food Service Replacement Filter by Tier1
  • I-4000 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9612-32 Everpure Comparable Food Service Replacement Filter by Tier1
  • EVERPURE-MH-2 Comparable Ffood Service Replacement Filter by Tier1
  • Everpure EV9613-21 Comparable Food Service Replacement Filter by Tier1
  • EVERPURE-EV9613-26 Comparable Food Service Replacement Filter by Tier1
  • EV9613-01 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9611-00 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9634-01 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9270-72 Everpure Comparable Granular Activated Carbon Filter by Tier1
  • EV9270-71 Everpure Comparable Granular Activated Carbon Filter by Tier1
  • ELF-XL-1M-KDF Everpure Comparable Food Service Replacement Filter by Tier1
  • ELF-1M Omnipure Comparable Food Service Replacement Filter by Tier1
  • ELF-1ML Omnipure Comparable Food Service Replacement Filter by Tier1
  • ELF-XL-1M-P-KDF Omnipure Comparable Food Service Replacement Filter by Tier1
  • ELF-XL-1ML-P-KDF Omnipure Comparable Food Service Replacement Filter by Tier1
  • 4621-20 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • NU-MC2 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • 4621-10 Nucalgon Comparable Food Service Replacement Filter by Tier1

Items 1 to 48 of 147 total

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