Discount Water Filters and Air Filters at Discount Filter

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!
  • Our customer service team is guaranteed to answer your call!
  • 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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  • Pentek ECP1-10 Replacement Water Filter Cartridge

    ECP1-10 Pentek Replacement Filter Cartridge

    $11.99 MSRP: $17.99
    Save 33%
  • Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)
  • RFC-20 Pentek Whole House Filter Replacement Cartridge by Tier1
  • 3M Aqua-Pure AP1001 Whole House Water Filter Cartridge
  • P1-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • C8 Pentek Whole House Replacement Filter Cartridge
  • AP-GRMB-01PP-10UB Whole House Replacement Cartridge by 3M Aqua-Pure

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