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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  1. Whirlpool WHAB-6009 Replacement Unit A Water Filter Cartridge

    WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge

    Fits the Whirlpool WHAF-0335AB Filtration System Learn More
    $36.99 MSRP:  $77.99
  2. Whirlpool WHAB-6010 Replacement Unit B Filter Cartridge

    WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    Fits the Whirlpool WHAF-0335AB Filtration System Learn More
    $48.99 MSRP:  $62.09
  3. WHKF-IMTO Whirlpool Inline Filter

    WHKF-IMTO Whirlpool Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $11.99 MSRP:  $14.94
  4. WHED20 Whirlpool Undersink Water Filtration System

    WHED20 Whirlpool Undersink Water Filtration System

    Fits and installs easily beneath standard sized sinks Learn More
    $105.99 MSRP:  $124.19
  5. WHERF Whirlpool Reverse Osmosis System Pre and Post Filter Set

    WHERF Whirlpool Reverse Osmosis System Pre and Post Filter Set

    Works with Whirpool WHER12 and WHER18 reverse osmosis systems Learn More
    $38.49 MSRP:  $63.99
  6. WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  7. K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    Fits directly into many copper or plastic water lines Learn More

    As Low As $0.00 Per Filter

  8. TS-500 Culligan Inline Water Filter Replacement by Tier1

    TS-500 Culligan Inline Water Filter Replacement by Tier1

    Fits directly into many copper or plastic water lines Learn More

    As Low As $0.00 Per Filter

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