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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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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21 Item(s)

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  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99
    MSRP: $12.06
    Save 25%
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • OMNIPURE-K5520SS

    OMNIPURE-K5520SS

    $21.09
    MSRP: $27.59
    Save 24%
  • AF-10-1053 Aries Specialty Cartridge Hydrogen Sulfide Removal
  • 22120 Hydrologic Stealth RO 100GPD Membrane

    22120 Hydrologic Stealth RO 100GPD Membrane

    $59.99
    MSRP: $64.99
    Save 8%
  • RFC-93 Pentek Radial Flow Carbon Water Filter Cartridge

    RFC-93 Pentek Radial Flow Carbon Water Filter Cartridge

    $23.99
    MSRP: $27.99
    Save 14%
  • RFC-93 Whole House Filter Replacement Cartridge by Tier1
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    $23.69
    MSRP: $35.99
    Save 34%
  • PENTEK-EPM-10

    PENTEK-EPM-10

    $9.99
    MSRP: $13.99
    Save 29%
  • MAXETW-975 Watts C-MAX Replacement Filter Cartridge

    MAXETW-975 Watts C-MAX Replacement Water Filter Cartridge

    $12.59
    MSRP: $18.99
    Save 34%
  • MATRIKX-Pb1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge
  • OMNIPURE-E5520

    OMNIPURE-E5520

    $21.99
    MSRP: $26.44
    Save 17%
  • OMNIPURE-OMB934-1L

    OMNIPURE-OMB934-1L

    $16.99
    MSRP: $21.38
    Save 21%
  • OMNIPURE-Q5505

    OMNIPURE-Q5505

    $12.09
    MSRP: $15.51
    Save 22%
  • PENTEK-C1

    PENTEK-C1

    $14.99
    MSRP: $19.99
    Save 25%
  • OMNIPURE-K5520BB

    OMNIPURE-K5520BB

    $25.39
    MSRP: $28.74
    Save 12%
  • OMNIPURE-Q5405

    OMNIPURE-Q5405

    $12.99
  • KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    $23.99
    MSRP: $27.34
    Save 12%
  • PENTEK-655130-43

    PENTEK-655130-43

    $13.99
    MSRP: $18.99
    Save 26%

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