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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.

32 Item(s)

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  • TIER1-DGD1-20BB Whole House Sediment Water Filter
  • WB-HB-20-20W Harmsco Pleated Commercial Water Filter Cartridge
  •  WB-HB-20-50W Harmsco Pleated Commercial Water Filter Cartridge
  • P5-20BB Tier1 Whole House Sediment Water Filter (2-Pack)
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    $21.99 MSRP: $31.73
    Save 31%
  • SDC-45-2020 Hydronix Sediment Water Filter

    SDC-45-2020 Hydronix Sediment Water Filter Cartridge

    $20.99 MSRP: $22.99
    Save 9%
  • SPC-45-2020 Hydronix Pleated Sediment Filter
  • DGD-2501-20 Pentek Whole House Sediment Filter
  • DGD-5005-20 Pentek Whole House Water Filter
  • DGD-7525-20 Pentek Whole House Water Filter
  • Pentek ECP1-20BB Replacement Water Filter Cartridge

    ECP1-20BB Pentek Replacement Filter Cartridge

    $26.99 MSRP: $28.39
    Save 5%
  • Pentek ECP20-20BB Replacement Water Filter Cartridge
  • ECP5-20BB Pentek Whole House Filter Cartridge
  • Pentek ECP50-20BB Replacement Water Filter Cartridge
  • Pentek ECP50-BB Whole House Water Filter Replacement Cartridge
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • P1-20BB 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%
  • 3M Aqua-Pure AP110-2 Whole House Water Filter Cartridge
  • HB-10-5W Harmsco Calypso Blue Replacement Filter Cartridge
  • S1-20BB Pentek Whole House Filter Replacement Cartridge

    S1-20BB Pentek Whole House Filter Replacement Cartridge

    $21.99
    MSRP: $25.34
    Save 13%
  • STANDARD-34-PR-10 Pentek Whole House Standard 10 inch Filter Housing
  • STANDARD-34-WPR-10 Pentek Whole House Standard 10 inch Filter Housing
  • STANDARD-CLEAR-34-PR10 Pentek Whole House Standard 10 inch Filter Housing
  • SPC-45-2010 Hydronix Pleated Sediment Water Filter Cartridge
  • SPC-45-2030 Hydronix Pleated Sediment Water Filter

    SPC-45-2030 Hydronix Pleated Sediment Water Filter

    $20.99
    MSRP: $31.04
    Save 32%
  • SWC-45-2005 Hydronix String-Wound Sediment Water Filter
  • SPC-45-2001 Hydronix Pleated Sediment Water Filter

    SPC-45-2001 Hydronix Pleated Sediment Water Filter

    $25.99
    MSRP: $34.49
    Save 25%
  • 931-5 Harmsco Polyester Sediment Filter Cartridge

    931-5 Harmsco Polyester Sediment Filter Cartridge

    $26.99
    MSRP: $34.49
    Save 22%
  • 150550 Pentek 3G Whole House Filter System

    150550 Pentek 3G Whole House Filter System

    $24.05
    MSRP: $35.64
    Save 33%
  • 3M Aqua-Pure AP124-2C Water Filter

    AP124-2C 3M Aqua-Pure Water Filter

    $26.99
    MSRP: $38.99
    Save 31%

32 Item(s)

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