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!

No Worries...
  • 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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  • CBC-10 Pentek Replacement Water Filter
  • Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    $13.99
    MSRP: $17.12
    Save 18%
  • Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    $22.99
    MSRP: $24.71
    Save 7%
  • CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    $34.99
    MSRP: $47.99
    Save 27%
  • FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    $23.69
    MSRP: $35.99
    Save 34%
  • WHKF-DB1 Whirlpool Undersink Replacement Filter Cartridge

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