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.

15 Item(s)

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  • F2-WHITE Instapure Essentials Faucet Filter System - White

    F2-WHITE Instapure Essentials Faucet Filter System - White

    $12.99
    MSRP: $17.24
    Save 25%
  • WFFM350XBN DuPont Deluxe Faucet Mount Drinking Water Filter - Brushed Nickel
  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  • D-25 Culligan Under Sink Water Filter

    D-25 Culligan Under Sink Water Filter

    $11.99
    MSRP: $16.99
    Save 29%
  • FRC1D OmniFilter Faucet Filter Replacement Cartridge

    FRC1D OmniFilter Faucet Filter Replacement Cartridge

    $6.99
    MSRP: $12.41
    Save 44%
  • F2-CHROME Instapure Essentials Faucet Filter System - Chrome
  • R2-1PK Instapure Essentials Faucet Filter Replacement Cartridge
  • R2-2PK Instapure Essentials Faucet Filter Replacement Cartridge (2-Pack)
  • R2-4PK Instapure Essentials Faucet Filter Replacement Cartridge (4-Pack)
  • 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%
  • 8013628 Katadyn Guide Backcountry Series Microfilter Replacement Cartridge
  • 8014644 Katadyn Hiker and Hiker Pro Backcountry Series Microfilter Replacement Cartridge
  • WFFM350XCH DuPont Deluxe Faucet Mount Drinking Water Filter - Chrome

15 Item(s)

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