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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!
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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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  • 3M Aqua-Pure AP917R Water Filter Cartridge
  • 3M Aqua-Pure AP904 Carbon Water Filter

    AP904 3M Aqua-Pure Carbon Water Filter

    $278.99 Retail Price:  $330.00
  • 3M Aqua-Pure AP917HD Whole House Water Filter Cartridge

    AP917HD 3M Aqua-Pure Whole House Water Filter Replacement

    $148.99 Retail Price:  $173.64
  • 3M Aqua-Pure AP917HD-S Water Filter Cartridge

    AP917HD-S 3M Aqua-Pure Water Filter Cartridge

    $182.99 Retail Price:  $217.99

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