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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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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  • WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $85.99
    MSRP: $118.99
    Save 28%
  • EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    $68.99
    MSRP: $111.99
    Save 38%
  • GS-6RO-B Pentek Inline Filter Replacement Cartridge
  • AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    $7.99
    MSRP: $9.19
    Save 13%
  • AICRO-JGK Watts Inline Filter Cartridge
  • K2533BB Omnipure Inline GAC Filter Cartridge

    K2533BB Omnipure Inline Water Filter Cartridge

    $9.99
    MSRP: $13.79
    Save 28%
  • K2567-BB Omnipure Inline Filter

    K2567-BB Omnipure Inline Filter

    $16.39
    MSRP: $24.99
    Save 34%
  • K5567BB Omnipure Inline Filter Replacement Cartridge

    K5567BB Omnipure Inline Filter Replacement Cartridge

    $18.79
    MSRP: $23.91
    Save 21%
  • K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    $20.99
    MSRP: $23.34
    Save 10%
  • K5633CC Omnipure Inline GAC Filter Cartridge

    K5633CC Omnipure Inline GAC Water Filter

    $15.99
    MSRP: $17.24
    Save 7%
  • K5528-BB Omnipure Carbon Inline Water Filter

    K5528-BB Omnipure Carbon Inline Water Filter

    $13.09
    MSRP: $20.99
    Save 38%

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