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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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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  • 801-20 Harmsco Replacement Filter Cartridge

    801-20 Harmsco Replacement Filter Cartridge

    $7.99 Retail Price:  $11.49
  • HARMSCO-HB-20-20W
  • 22010 Hydrologic BigBoy Replacement Sediment Filter

    22010 Hydrologic BigBoy Sediment Filter

    $44.99 Retail Price:  $57.49


  • PS20-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • QC10-GACR Pentek Undersink Quick-Change Replacement Filter Cartridge

    QC10-GACR Pentek Quick-Change Replacement Water Filter

    $18.99 Retail Price:  $20.57
  • HYDRONIX-SPC-25-2020


  • FXB20RFL Filtrex Green Radial Flow Water Filter Cartridges
  • S1-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • WFDW120009W DuPont Universal Drinking Water Filter System
  • WFDWC20001 DuPont Universal Drinking Water Carbon Block Cartridge

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