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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. Pentair NEPP2-40DB Pureflex Pleated Polypropylene Cartridge

    Pentair NEPP2-40DB Pureflex Pleated Polypropylene Cartridge

    Fits standard filter housings that accept 40 x 2.5-inch filters Learn More
    $41.99 Retail Price:  $52.99
  2. Pentair NEPP2-20DB Pureflex Pleated Polypropylene Cartridge

    Pentair NEPP2-20DB Pureflex Pleated Polypropylene Cartridge

    Fits standard filter housings that accept 20 x 2.5-inch filters Learn More
    $62.99 Retail Price:  $77.99
  3. 67001 Aquamira Water Bottle Replacement Filter Cartridge

    67001 Aquamira Water Bottle Replacement Filter Cartridge

    Fits Aquamira Filter Bottle or Nalgene Sport Bottle Learn More
  4. 67002 Aquamira Watter Bottle and Filter System
  5. MATRIKX-5-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-5-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More
    $43.99
  6. MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More
    $41.99 Retail Price:  $52.89
  7. H2O+ Brondell Cypress Countertop Water Filtration System (#H630)

    H2O+ Brondell Cypress Countertop Water Filtration System (#H630)

    Fits onto 99% of standard water faucets Learn More
    $185.99 Retail Price:  $232.29

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