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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  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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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Items 97 to 144 of 340 total

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  • 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-5M-P-SB Omnipure 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
  • E5420-P-1M-SB Omnipure Comparable Food Service Replacement Filter by Tier1
  • ELF-XL-1ML-P-KDF Omnipure Comparable Food Service Replacement Filter by Tier1
  • ELF-1M-P-KDF Omnipure comparable granular activated carbon filter by Tier1
  • 4621-20 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • NU-MC2 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • 4621-12 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • 4621-31 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • 4621-10 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • 4621-11 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • NU-i20002 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • ECO-i20002 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • CFS9110 Cuno Comparable Food Service Replacement Filter by Tier1
  • CFS9112 Cuno Comparable Food Service Replacement Filter by Tier1
  • CFS9710-S Cuno Comparable Food Service Replacement Filter by Tier1
  • CFS9110-S Cuno Comparable Food Service Replacement Filter by Tier1
  • CFS9812X-S Cuno Comparable Food Service Replacement Filter by Tier1
  • CFS9112-S Cuno Comparable Food Service Replacement Filter by Tier1
  • EP25 Aquapure Comparable Food Service Replacement Filter by Tier1
  • AP317 Aquapure Comparable Food Service Replacement Filter by Tier1
  • 9320-2401 Ecolab Comparable Food Service Replacement Filter by Tier1
  • ECO-MC Ecolab Comparable Food Service Replacement Filter by Tier1
  • 9320-2402 Ecolab Comparable Food Service Replacement Filter by Tier1
  • 9320-2403 Ecolab Comparable Food Service Replacement Filter by Tier1
  • FL4S Follett Comparable Food Service Replacement Filter by Tier1
  • 130245 Follett Comparable Food Service Replacement Filter by Tier1
  • 954297 Follett Comparable Food Service Replacement Filter by Tier1
  • SSMRC1 Scotsman Comparable Food Service Replacement Filter by Tier1
  • DW-200-R American Plumber Undersink Filter Replacement Cartridge
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • WCC American Plumber Undersink Filter Replacement Cartridge

    WCC American Plumber Undersink Filter Replacement Cartridge

    $19.99
    MSRP: $26.44
    Save 24%
  • WGC478 American Plumber Undersink Compact Filter Replacement Cartridge
  • WGCHD American Plumber Undersink Water Filter Replacement Cartridge
  • WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  • WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge

    3M Aqua-Pure AP117 Whole House Filter Replacement Cartridge

    $28.99
    MSRP: $54.13
    Save 46%
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99
    MSRP: $34.49
    Save 25%
  • 3M Aqua-Pure AP817 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP817-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP-C77 Undersink Filter Replacement Cartridge

Items 97 to 144 of 340 total

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