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!
  • Our customer service team is guaranteed to answer your call!
  • 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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  • PH-2011R Tier1 Pen Type pH Meter

    PH-2011R Tier1 Pen Type pH Meter

    $18.99
    MSRP: $26.99
    Save 30%
  • 150015 Pentek High Temperature Filter Housing - Red

    150015 Pentek High Temperature Filter Housing - Red

    $95.99
    MSRP: $108.89
    Save 12%
  • 150111 Pentek High Temperature Filter Housing - Red

    150111 Pentek High Temperature Filter Housing - Red

    $139.99
    MSRP: $159.84
    Save 12%
  • Built NY Red Insulating Slinger Tote (for 27oz bottles)

    Built NY Red Insulating Slinger Tote (for 27oz bottles)

    $23.99
    MSRP: $29.99
    Save 20%
  • FiftyFifty 27 oz. S25001RED Red Water Bottle

    FiftyFifty 27 oz. S25001RED Red Water Bottle

    $11.99
    MSRP: $18.99
    Save 37%
  • 32Z-RED Built NY Neoprene Insulating Tote for 32-40 ounce bottles - Red

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