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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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  1. AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    Fits most housings that accept 20 inch x 4.5 filter cartridges Learn More
    $136.99 Retail Price:  $171.99
  2. AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    Fits standard 10 x 2.5 inch residential and industrial housings Learn More
    $16.99 Retail Price:  $22.99
  3. AF-10-1053 Aries Specialty Cartridge Hydrogen Sulfide Removal

    AF-10-1053 Aries Specialty Cartridge 10-inch x 2.5-inch Hydrogen Sulfide Removal

    Fits standard 10 x 2.5-inch filter housings Learn More
    $18.99 Retail Price:  $22.99
  4. AF-10-2011 Aries Specialty Cartridge 10-inch x 2.5-inch 1 LBS KDF/GAC

    AF-10-2011 Aries Specialty Cartridge 10-inch x 2.5-inch 1 LBS KDF/GAC

    Fits standard 10 x 2.5-inch filter housings Learn More
    $32.99
  5. Aries AF-10-2054 Coconut Granular Activated Carbon

    Aries AF-10-2054 Coconut Granular Activated Carbon

    Fits systems that take 10 x 2-1/2 inch replacements Learn More
    $75.99 Retail Price:  $91.99
  6. A101 Aries Undersink Filter Replacement Cartridge

    A101 Aries Undersink Filter Replacement Cartridge

    Fits the Gen IV and other Amway and Quixtar Water Treatment Systems Learn More
    $33.99 Retail Price:  $49.21
  7. AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $27.99 Retail Price:  $32.19
  8. AF-10-3695 Aries Arsenic Removal Water Filter

    AF-10-3695 Aries Arsenic Removal Water Filter

    Sized 10 x 2.5 inches Learn More
    $47.99 Retail Price:  $77.04

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