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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13 Item(s)

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  • WGCHD American Plumber Undersink Water Filter Replacement Cartridge
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • 3M Aqua-Pure AP817 Whole House Water Filter Cartridge
  • RFC-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • 4WH-HDGAC-F01 Filtrete Replacement Filter Cartridge

    4WH-HDGAC-F01 3M Filtrete Water Filter Cartridge

    $32.99
    MSRP: $41.39
    Save 20%
  • FXHTC GE SmartWater Whole House Filter Replacement Cartridge
  • MATRIKX-1-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • GAC-BB Pentek Replacement Filter Cartridge

    GAC-BB Pentek Replacement Filter Cartridge

    $26.69
    MSRP: $36.99
    Save 28%
  • RFC-BB Pentek Whole House Filter Replacement Cartridge - 1
  • MATRIKX-CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX-Pb1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • CRFC-BB Pentek Chloramine Reduction Water Filter

    CRFC-BB Pentek Chloramine Reduction Water Filter

    $65.19
    MSRP: $104.99
    Save 38%
  • DBC-10EX2 Pentek Replacement Filter Cartridge

    DBC-10EX2 Pentek Water Filter Cartridge Replacement

    $43.99
    MSRP: $57.95
    Save 24%

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