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.

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25 Item(s)

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  • WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge
  • Pentek 158599 Clear 3G Slim Line Filter Housing

    Pentek 158599 Clear 3G Slim Line Filter Housing

    $22.99
    MSRP: $28.99
    Save 21%
  • Pentek 158637 Clear 3G Slim Line Filter Housing with Pressure Relief
  • Pentek 158214 Clear Traditional Slim Line Filter Housing

    Pentek 158214 Clear Traditional Slim Line Filter Housing

    $27.99
    MSRP: $37.99
    Save 26%
  • TO6-SS2-S06 OmniFilter Whole House Water Filter
  • Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    $25.39
    MSRP: $32.99
    Save 23%
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge

    3M Aqua-Pure AP117 Whole House Filter Replacement Cartridge

    $28.99
    MSRP: $54.13
    Save 46%
  • 42617 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome
  • 42401 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White
  • FXHSC GE SmartWater Whole House Filter Replacement Cartridge
  • PCC218 Pentek Replacement Filter Cartridge

    PCC218 Pentek Replacement Filter Cartridge

    $23.99
    MSRP: $26.44
    Save 9%
  • SLIM-CLEAR-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing
  • Bernoulli-BB Rainshowr Bernoulli Water Saving Power Shower Head - Brushed Brass
  • Bernoulli-BN Rainshowr Bernoulli Water Saving Power Shower Head - Brushed Nickel
  • Bernoulli-CB Rainshowr Bernoulli Water Saving Power Shower Head - Chrome Brass
  • Bernoulli-PB Rainshowr Bernoulli Water Saving Power Shower Head - Polished Brass
  • Bernoulli-PC Rainshowr Bernoulli Water Saving Power Shower Head - Polished Chrome
  • HHMS Rainshowr Handheld Shower Filter System with Massage

    HHMS Rainshowr Handheld Shower Filter System with Massage

    $27.99
    MSRP: $34.49
    Save 19%
  • 85470 Inline Water Filters Washing Machine Inline Water Filter
  • 3038333 Merlin Reverse Osmosis Carbon Pre Filter

    3038333 Merlin Reverse Osmosis Carbon Pre Filter

    $28.49
    MSRP: $35.99
    Save 21%
  • CB-45-1001 Hydronix Replacement Whole House Filter Cartridge
  • KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    $23.99
    MSRP: $27.34
    Save 12%
  • AW1-CM Sprite Ultimate Shower Filtered Shower Head (Chrome)

    AW1-CM Sprite Ultimate Shower Filtered Shower Head (Chrome)

    $28.99
    MSRP: $36.79
    Save 21%
  • BB-TB Sprite Bath Ball Filter (Transparent Blue)

    BB-TB Sprite Bath Ball Filter (Transparent Blue)

    $26.69
    MSRP: $33.99
    Save 21%

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