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!

Learn more about our No Worries Guarantee

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.

19 Item(s)

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  • F2-WHITE Instapure Essentials Faucet Filter System - White

    F2-WHITE Instapure Essentials Faucet Filter System - White

    $13.89
    MSRP: $21.99
    Save 37%
  • F8-WHITE Instapure Ultra Faucet Filter System - White

    F8 Instapure Ultra Faucet Filter System - White

    $28.99
    MSRP: $31.04
    Save 7%
  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  • 42645 Brita AquaView AVFF-100 Faucet Filter System - White
  • 42201 Brita On-Tap FF-100 Faucet Filter System - White

    42201 Brita On-Tap FF-100 Faucet Filter System - White

    $32.99
    MSRP: $42.54
    Save 22%
  • 42401 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White
  • 42402 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White (2-Pack)
  • FM-3333B PUR 2-Stage Vertical Faucet Filter System - White

    FM-3333B PUR 2-Stage Vertical Faucet Filter System - White

    $21.99
    MSRP: $31.04
    Save 29%
  • FM-3400B PUR 3-Stage Vertical Faucet Filter System - White

    FM-3400B PUR 3-Stage Vertical Faucet Filter System - White

    $32.99
    MSRP: $40.24
    Save 18%
  • FM-9600B PUR 3-Stage Horizontal Faucet Filter System - White
  • RF-3375 PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White
  • R8-1PK-WHITE Instapure Ultra Faucet Filter Replacement Cartridge - White
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • FM-25R Culligan Replacement Faucet Filter

    FM-25R Culligan Replacement Faucet Filter

    $13.89
    MSRP: $21.99
    Save 37%
  • F1 OmniFilter Faucet Filter

    F1 OmniFilter Faucet Filter

    $8.05
    MSRP: $20.69
    Save 61%

19 Item(s)

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