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!
  • 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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  • WFPFC3002 DuPont Universal Whole House Pleated Poly Filter Cartridge (2-Pack)
  • RS1-SS OmniFilter Whole House Water Filter
  • Pentek S1-BB Replacement Water Filter Cartridge

    Pentek S1-BB Water Filter Cartridge Replacement

    $14.99 MSRP: $17.99
    Save 17%
  • S1-20BB Pentek Comparable Whole House Water Filter by Tier1

    S1-20BB Pentek Comparable Whole House Water Filter by Tier1

    $16.99 MSRP: $26.99
    Save 37%
  • W20CLA American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge
  • W20CLHD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • WGCHD American Plumber Undersink Water Filter Replacement Cartridge
  • S1A Culligan Level 2 Whole House Filter Replacement Cartridge (2-Pack)
  • RS3-SS OmniFilter Whole House Filter Replacement Cartridge
  • RS3DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • HB-20-20W Harmsco Comparable Whole House Sediment Water Filter by Tier1

15 Item(s)

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