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.

Items 1 to 48 of 176 total

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  • P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1
  • FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  • S1A-D Culligan Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • HYDRONIX-HF2-10CLWH14

    HYDRONIX-HF2-10CLWH14

    $16.99
    MSRP: $17.24
    Save 1%
  • HYDRONIX-HF2-10CLWH12

    HYDRONIX-HF2-10CLWH12

    $15.99
    MSRP: $22.99
    Save 30%
  • HYDRONIX-ICF-2512-ALK

    HYDRONIX-ICF-2512-ALK

    $38.99
    MSRP: $50.99
    Save 24%
  • HYDRONIX-HDG-CB6-14

    HYDRONIX-HDG-CB6-14

    $29.99
    MSRP: $43.99
    Save 32%
  • HYDRONIX-HF45-10BLBK15

    HYDRONIX-HF45-10BLBK15

    $59.99
    MSRP: $75.99
    Save 21%
  • Hydronix SDC-45-1020 Sediment Filter Cartridge
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge
  • SDC-45-2020 Hydronix Sediment Water Filter
  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    $4.99 MSRP: $8.04
    Save 38%
  • Hydronix SPC-25-1005 Pleated Water Filter
  • SPC-25-1020 Hydronix Sediment Water Filter
  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge
  • Hydronix SPC-45-1020 Pleated Sediment Water Filter
  • Hydronix SPC-45-1030 Sediment Water Filter - Pleated
  • SDC-45-1050 Hydronix Pleated Water Filter
  • SPC-45-2020 Hydronix Pleated Sediment Filter
  • SPC-45-2050 Hydronix Pleated Sediment Water Filter
  • DGD-2501 Pentek Comparable Whole House Filter by Tier1
  • Pentek WP5BB97P Replacement Water Filter Cartridge
  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    $4.99 MSRP: $8.04
    Save 38%
  • SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  • CW-MF Pentek Comparable Whole House Sediment Waters Filter by Tier1 (6-Pack)
  • Pentek S1-BB Replacement Water Filter Cartridge

    Pentek S1-BB Water Filter Cartridge Replacement

    $14.99 MSRP: $17.99
    Save 17%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    $3.99 MSRP: $6.99
    Save 43%
  • SDC-45-1010 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-25-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • P1-20BB Sediment Water Filter by Tier1

Items 1 to 48 of 176 total

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