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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  • 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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24 Item(s)

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  • D-25 Culligan Under Sink Water Filter
  • F2-WHITE Instapure Essentials Faucet Filter System - White

    F2-WHITE Instapure Essentials Faucet Filter System - White

    $13.89
    MSRP: $21.99
    Save 37%
  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • R2-1PK Instapure Essentials Faucet Filter Replacement Cartridge
  • R2-2PK Instapure Essentials Faucet Filter Replacement Cartridge (2-Pack)
  • 67011 / CR-100 Aquamira Water Bottle Replacement Filter Capsule - front

    67011 / CR-100 Aquamira Filtered Water Bottle Capsule

    $12.95
    MSRP: $17.19
    Save 25%
  • 67108 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge (Military) - front
  • 1-04100-K Seychelle 27oz Stainless Steel Filter Replacement
  • 1-10200-HK-FC Seychelle 24oz Standard Replacement Flip Top Filter
  • 1-10300-P-FC-K Seychelle Advanced Replacement Pull Top Filter
  • 1-10200-FC-K Seychelle 28oz Standard Flip Top Replacement Filter
  • 1-10200-P-FC-K Seychelle Standard Replacement Pull Top Filter

    1-10200-P-FC-K Seychelle Replacement Pull Top Water Filter

    $13.56
    MSRP: $17.19
    Save 21%
  • FM-25R Culligan Replacement Faucet Filter

    FM-25R Culligan Replacement Faucet Filter

    $13.89
    MSRP: $21.99
    Save 37%
  • 67003 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge - front

    67003 Aquamira Frontier Sport Water Bottle Filter

    $13.99
    MSRP: $17.19
    Save 19%
  • FFRF01-WH-1 Filtrete Filtrete Fast Flow Replacement Filter
  • FM-15RA Culligan Level 3 Faucet Filter Replacement Cartridge
  • R7-1PK Instapure CompletePlus Faucet Filter Replacement Cartridge
  • F1-S6-05 OmniFilter Faucet Filter System

    F1-S6-06 OmniFilter Faucet Filter System

    $17.09
    MSRP: $23.99
    Save 29%
  • 1-10300-FC-K Seychelle Advanced Replacement Filter

    1-10300-FC-K Seychelle Advanced Replacement Water Filter

    $17.29
    MSRP: $27.99
    Save 38%
  • F5-WHITE Instapure Complete Faucet Filter System - White

    F5-WHITE Instapure Complete Faucet Filter System - White

    $18.19
    MSRP: $28.99
    Save 37%
  • R5-1PK Instapure Complete Faucet Filter Replacement Cartridge
  • R2-4PK Instapure Essentials Faucet Filter Replacement Cartridge (4-Pack)
  • R8-1PK-WHITE Instapure Ultra Faucet Filter Replacement Cartridge - White
  • RB01-W01-2 Filtrete 16.9-Ounce Water Station Replacement Water Bottle (2-Pack)

24 Item(s)

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