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!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • 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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  • DuPont WFFS150XCH Chrome Counter Top Faucet System
  • 3M Aqua-Pure APIL3R Inline Water Filter
  • E5715-P Omnipure Replacement Filter Cartridge

    E5715-P Omnipure Replacement Filter Cartridge

    $41.19
    MSRP: $55.99
    Save 26%
  • 4373529 Whirlpool Undersink Filter Replacement Cartridge

    4373529 Whirlpool Undersink Filter Replacement Cartridge

    $43.99
    MSRP: $50.59
    Save 13%
  • E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    $45.99
    MSRP: $52.89
    Save 13%
  • K00374 Manitowoc Arctic Pure Replacement Ice Maker Filter Cartridge

    K00374 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    $47.49
    MSRP: $81.99
    Save 42%
  • 3M Aqua-Pure AP-DW70 Undersink Filter Replacement Cartridge

    AP-DW70 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $47.99
    MSRP: $56.34
    Save 15%
  • FM-BB-20-1A Watts Pleated Water Filter Cartridge

    FM-BB-20-1A Watts Pleated Water Filter Cartridge

    $48.99
    MSRP: $75.84
    Save 35%
  • CQE-RC-04002 Crystal Quest PLUS Multi-Stage Replacement Filter Cartridge

13 Item(s)

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