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

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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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  • AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    $16.99 Retail Price:  $22.99
  • D-25 Culligan Under Sink Water Filter

    D-25 Culligan Under Sink Water Filter

    $11.99 Retail Price:  $16.99
  • DUPONT-WFQTC90001
  • DuPont WFPT200X Mirage Filtered Water Pitcher

    DuPont WFPT200X Mirage Filtered Water Pitcher

    $23.99 Retail Price:  $32.99
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge

    DuPont WFPTC050X Water Pitcher Replacement Cartridge

    $13.99 Retail Price:  $22.99
  • DuPont WFPTC053X Water Pitcher Replacement Cartridge 3 Pack

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