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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  • W9222900 Doulton Ceramic Water Filter
  • NCP-20BB Pentek Whole House Filter Replacement

    NCP-20BB Pentek Whole House Filter Replacement Cartridge

    $29.89 MSRP: $36.67
    Save 18%
  • ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge
  • W9222909 Doulton Imperial SuperCarb OBE Ceramic Water Filter
  • OMNIPURE-Q5515-P

    OMNIPURE-Q5515-P

    $30.59
    MSRP: $35.64
    Save 14%
  • 22080 Hydrologic Reverse Osmosis Carbon Pre-Filter
  • OMNIPURE-Q5615

    OMNIPURE-Q5615

    $31.79
    MSRP: $34.49
    Save 8%
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $31.99
    MSRP: $34.49
    Save 7%
  • PENTEK-P-250

    PENTEK-P-250

    $33.99
    MSRP: $41.99
    Save 19%
  • OMNIPURE-E5722-P

    OMNIPURE-E5722-P

    $33.99
    MSRP: $49.99
    Save 32%
  • CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    $34.99
    MSRP: $47.99
    Save 27%
  • US-600 Culligan Slim Undersink Filter System

    US-600 Culligan Slim Undersink Filter System

    $35.99
    MSRP: $41.39
    Save 13%
  • 3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    $35.99
    MSRP: $37.99
    Save 5%
  • OMNIFILTER-SFM2

    OMNIFILTER-SFM2

    $35.99
  • WQCHFC11 Watts Kwik-Change Hollow Fiber (UF) Water Filter Cartridge
  • OMNIPURE-CK5715-P

    OMNIPURE-CK5715-P

    $35.99
    MSRP: $43.69
    Save 18%
  • Whirlpool WHAB-6009 Replacement Unit A Water Filter Cartridge

    WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge

    $36.99
    MSRP: $77.99
    Save 53%
  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $37.99
    MSRP: $54.99
    Save 31%
  • FQSLF GE SmartWater Undersink Filter Set
  • CS-51 Cuno Inline Filter

    CS-51 Cuno Inline Filter

    $39.99
    MSRP: $42.34
    Save 6%
  • W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    $37.00
    MSRP: $54.26
    Save 32%

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