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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!

Learn more about our No Worries Guarantee

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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  • Pentair NEPP2-40DB Pureflex Pleated Polypropylene Cartridge
  • Pentair NEPP12-40DB Pureflex Pleated Polypropylene Cartridge
  • VIH-34-PR10 Pentek Whole House Valve-in-Head 10 inch Filter Housing
  • PCC-1 Pentek Undersink Filter Replacement Cartridge

    PCC-1 Pentek Undersink Filter Replacement Cartridge

    $41.99
    MSRP: $53.23
    Save 21%
  • 150166 Pentek Whole House Filter System

    150166 Pentek Whole House Filter System

    $46.99
    MSRP: $56.34
    Save 17%
  • U25 OmniFilter Whole House Water Filter System

    OmniFilter U25 Whole House Water Filtration System

    $48.99
    MSRP: $58.64
    Save 16%

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