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

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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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Items 1 to 48 of 174 total

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  • TO1SS OmniFilter Whole House Water Filter
  • AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    $36.99
    MSRP: $56.39
    Save 34%
  • TIER1-GAC-20 Pentek Comparable Granular Activated Carbon Water Filter by Tier1
  • WFPF13003B DuPont Universal Whole House Filtration System
  • WFPF38001C DuPont Universal Valve-In-Head Whole House Water Filtration System
  • ROR2000-S-05 OmniFilter Reverse Osmosis Pre Filter Replacement
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (6-Pack)
  • Aries AF-10-2115 KDF/Granular Activated Carbon

    Aries AF-10-2115 KDF/Granular Activated Carbon

    $39.99
    MSRP: $49.00
    Save 18%
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $17.99 MSRP: $20.00
    Save 10%
  • EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    $27.99 MSRP: $32.32
    Save 13%
  • Pentek EPM-BB Replacement Water Filter Cartridge

    Pentek EPM-BB Water Filter Cartridge Replacement

    $26.99 MSRP: $34.49
    Save 22%
  • EPM-BB Pentek Comparable Carbon Whole House Water Filter

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1

    $17.99 MSRP: $30.99
    Save 42%
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (12-Pack)
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (25-Pack)
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CBC-10 Pentek Replacement Water Filter
  • Pentek S1-BB Replacement Water Filter Cartridge

    Pentek S1-BB Water Filter Cartridge Replacement

    $14.99 MSRP: $17.99
    Save 17%
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • 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%
  • Everpure EV9720-06 Comparable Food Service Replacement Filter by Tier1
  • Everpure EV9592-06 Comparable Food Service Replacement Filter by Tier1
  • Everpure EV9612-56 Comparable Food Service Replacement 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-45-1001 Hydronix 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
  • HB-20-50W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2030 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • 22010 Hydrologic Comparable Whole House Water Filter by Tier1
  • Everpure H-300 comparable granular activated carbon filter by Tier1
  • GAC-20 Pentek Comparable Granular Activated Carbon Water Filter by Tier1
  • CP5-BBS-D Culligan Culligan Comparable Whole House Sediment Water Filter by Tier1
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1

    $17.99 MSRP: $30.99
    Save 42%
  • ECP20-20BB Pentek Comparable Whole House Water Filter by Tier1
  • 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%
  • EV9612-56 Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier
  • ELF-XL-1M-KDF Everpure Comparable Food Service Replacement Filter by Tier1

Items 1 to 48 of 174 total

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