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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  • PENTEK-GAC-20

    PENTEK-GAC-20

    $18.49
    MSRP: $23.56
    Save 22%
  • PENTEK-GAC-BB

    PENTEK-GAC-BB

    $26.69
  • PENTEK_PS5_10C_FILTER

    PENTEK_PS5_10C_FILTER

    $6.99 MSRP: $10.34
    Save 32%
  • NFS-AP-GRMB-05PP-10UB

    NFS-AP-GRMB-05PP-10UB

    $3.99 MSRP: $10.34
    Save 61%
  • NFS-SDC-25-1005

    NFS-SDC-25-1005

    $3.99 MSRP: $10.34
    Save 61%
  • NFS-HYTREX-GX05-9-78

    NFS-HYTREX-GX05-9-78

    $3.99 MSRP: $10.34
    Save 61%
  • WPD-110 American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)
  • P5 Pentek Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  • TIER1_P5_10_FILTER

    TIER1_P5_10_FILTER

    $3.99 MSRP: $10.34
    Save 61%
  • PENTEK_S1_BB_FILTER

    PENTEK_S1_BB_FILTER

    $14.99 MSRP: $17.99
    Save 17%

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