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!

Learn more about our No Worries Guarantee

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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  • SDC-25-0501 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • 3M Aqua-Pure AP1001 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP-DW70 Undersink Filter Replacement Cartridge

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

    MSRP: $56.34
    Save 15%
  • 3M Aqua-Pure APIL3R Inline Water Filter
  • PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • WP1BB97P Pentek Replacement Filter Cartridge
  • P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    MSRP: $8.34
    Save 75%
  • AP-GRMB-01PP-20UB Whole House Replacement Water Filter by 3M Aqua-Pure
  • AP-GRMB-01PP-10UB Whole House Replacement Cartridge by 3M Aqua-Pure

9 Item(s)

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