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!

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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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  • W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge
  • 2110070 Katadyn Camping Filter System

    2110070 Katadyn Camping Filter System

    $317.95
    MSRP: $367.94
    Save 14%
  • 2110080 Katadyn Gravity Filter System

    2110080 Katadyn Gravity Filter System

    $294.95
    MSRP: $341.49
    Save 14%
  • 8013618 Katadyn Camping Filter System

    8013618 Katadyn Camping Filter System

    $369.95
    MSRP: $427.74
    Save 14%
  • 8016389 Katadyn Camping Filter System

    8016389 Katadyn Camping Filter System

    $1,604.99
    MSRP: $2,266.99
    Save 29%
  • W9331208 Doulton Countertop Filter System

    W9331208 Doulton HCS Countertop Water Filtration System

    $253.94
    MSRP: $294.33
    Save 14%
  • 8013619 Katadyn Pocket Replacement Camping Water Filter Kit

    8013619 Katadyn Pocket Replacement Camping Water Filter Kit

    $213.99
    MSRP: $257.99
    Save 17%

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