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.

Clear All
Compare

15 Item(s)

Grid  List 

Set Descending Direction
  • C1-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • TIER1_C5_20_2_PACK

    TIER1_C5_20_2_PACK

    $27.09
  • TIER1_C5_20_4_PACK

    TIER1_C5_20_4_PACK

    $54.99
  • C1-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1
  • WRC25HD American Plumber Comparable Whole House Carbon Water Filter by Tier1
  • RFC-BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    $27.19
    MSRP: $37.99
    Save 28%
  • IC-101L Pentek Inline Filter
  • TIER1-KDF55-10

    TIER1-KDF55-10

    $23.99
    MSRP: $28.74
    Save 17%
  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1

15 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top