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.

Items 1 to 48 of 73 total

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  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge
  • FMHC-90-5EZ Flow-Max Jumbo 90 Pleated Water Filter Cartridge - 5 Micron
  • PMB20-20 Watts Comparable Whole House Sediment Water Filter by Tier1
  • W20CLA American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • TFM-24 Desal Reverse Osmosis Membrane

    TFM-24 Desal Reverse Osmosis Membrane

    $24.99
    MSRP: $47.14
    Save 47%
  • CB-25-1005 Hydronix Replacement Filter Cartridge
  • CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    $14.99
    MSRP: $17.34
    Save 14%
  • CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    $36.99
    MSRP: $49.44
    Save 25%
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-3005 Hydronix Whole House Replacement Sediment Filter Cartridge

Items 1 to 48 of 73 total

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