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!

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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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25 Item(s)

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  • 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  • 8014931 Katadyn Vario Backcountry Series Microfilter Water Filter
  • 1120070 Katadyn Siphon Filter

    1120070 Katadyn Siphon Filter

    $79.95
    MSRP: $94.24
    Save 15%
  • 20720 Katadyn Replacement Filter Element

    20720 Katadyn Replacement Filter Element

    $64.19
    MSRP: $81.99
    Save 22%
  • 20743 Katadyn Replacement Ceramic Element

    20743 Katadyn Replacement Ceramic Element

    $74.89
    MSRP: $93.99
    Save 20%
  • 8013624 Katadyn Replacement Filter Element (2-Pack)

    8013624 Katadyn Replacement Filter Element (2-Pack)

    $14.95
    MSRP: $19.49
    Save 23%
  • 8013629 Katadyn Camping Filter System
  • 8015036 Katadyn Vario Backcountry Series Carbon Refill

    8015036 Katadyn Vario Backcountry Series Carbon Refill

    $9.95
    MSRP: $13.74
    Save 28%
  • 8015035 Katadyn Vario Backcountry Series Replacement Ceramic Prefilter Disc
  • 8014644 Katadyn Hiker and Hiker Pro Backcountry Series Microfilter Replacement Cartridge
  • 8014523 Katadyn Micro Ultralight Series Microfilter Replacement Cartridge
  • 8013632 Katadyn Mini Ultralight Series Microfilter Replacement Cartridge
  • 8014933 Katadyn Vario Backcountry Series Microfilter Replacement Cartridge
  • 8013450 Katadyn Carbon Cartridge Bottle Adaptor

    8013450 Katadyn Carbon Cartridge Bottle Adaptor

    $19.95
    MSRP: $22.99
    Save 13%
  • 8014200 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Blue
  • Katadyn 8018342 MyBottle Microfilter Red Splash

    Katadyn 8018342 MyBottle Microfilter Red Splash

    $40.99
    MSRP: $59.79
    Save 31%

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