Discount Water Filters and Air Filters at Discount Filter

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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  • W50PEHD American Plumber Comparable Whole House Water Filter by Tier1
  • W50PEHD American Plumber Comparable Filter by Tier1 (6-Pack)
  • Culligan R50_BBSA_D Sediment Whole House 6-Pack Water Filters
  • SDC-45-1050 Hydronix Pleated Water Filter

    SPC-45-1050 Hydronix Polypropylene Spun Water Filter

    $16.99 MSRP: $20.69
    Save 18%
  • Pentek ECP50-BB Whole House Water Filter Replacement Cartridge
  • W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • 3M Aqua-Pure AP814 Whole House Water Filter
  • R50-BBSa-D Culligan Level 1 Whole House Filter Replacement Cartridge
  • 3WH-HDPL-F01 Filtrete Replacement Filter Cartridge

    3WH-HDPL-F01 3M Filtrete Water Filter Cartridge

    MSRP: $17.24
    Save 13%
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    MSRP: $24.14
    Save 17%

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