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  • Your filters are guaranteed to be the right fit!
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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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  • 1040 Katadyn Camping Water Filter Kit

    1040 Katadyn Camping Water Filter Kit

    $199.95 Retail Price:  $232.24
  • 1120070 Katadyn Siphon Filter

    1120070 Katadyn Siphon Filter

    $79.95 Retail Price:  $94.24
  • 20720 Katadyn Replacement Filter Element

    20720 Katadyn Replacement Filter Element

    $59.95 Retail Price:  $71.24
  • 20743 Katadyn Replacement Ceramic Element

    20743 Katadyn Replacement Ceramic Element

    $69.95 Retail Price:  $82.74
  • 2110070 Katadyn Camping Filter System

    2110070 Katadyn Camping Filter System

    $317.95 Retail Price:  $367.94
  • 2110080 Katadyn Gravity Filter System

    2110080 Katadyn Gravity Filter System

    $294.95 Retail Price:  $341.49
  • 8013618 Katadyn Camping Filter System

    8013618 Katadyn Camping Filter System

    $369.95 Retail Price:  $427.74
  • 8017763 Katadyn Camping Filter System

    8017763 Katadyn Camping Filter System

    $219.95 Retail Price:  $255.24
  • 8017764 Katadyn Microfilter System
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $45.99 Retail Price:  $52.73
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $30.99 Retail Price:  $34.55
  • W9222901 Doulton Replacement Ceramic Filter

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