Discount Water Filters and Air Filters at Discount Filter Store.com

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  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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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  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • AP-GRMB-05PP-20UB Whole House Replacement Filter by 3M Aqua-Pure
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge
  • DGD-5005-20 Pentek Whole House Water Filter

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge

    $23.99 MSRP: $25.76
    Save 7%
  • DGD-5005 Pentek Whole House Filter Cartridge
  • ECP5-20BB Pentek Whole House Filter Cartridge
  • ECP5-BB Pentek Whole House Water Filter
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%
  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    $11.99 MSRP: $24.64
    Save 51%
  • P5-20 Tier1 Sediment Water Filter

    P5-20 Tier1 Whole House Sediment Water Filter

    $4.99 MSRP: $9.19
    Save 46%
  • P5-20BB Tier1 Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    $14.99 MSRP: $25.76
    Save 42%
  • Pentek WP5BB97P Replacement Water Filter Cartridge
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • 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
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • CQE-RC-04033 Crystal Quest Comparable Whole House Water Filter by Tier1
  • HB-10-5W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1005 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • RS15 Omnifilter Comparable Whole House Sediment Water Filter by Tier1
  • ECP50-BB Pentek Comparable Whole House Sediment Filter by Tier1
  • TO6 OmniFilter Comparable Whole House Sediment Water Filter by Tier1
  • ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CQE-RC-04034 Crystal Quest Comparable Whole House Sediment Water Filter by Tier1
  • HB-20-5W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2005 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • CP5-BBS-D Culligan Culligan Comparable Whole House Sediment Water Filter by Tier1
  • SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-25-2010 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • WP5BB20P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    $26.99
    MSRP: $36.79
    Save 27%
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)

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