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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. CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  2. SDC-45-1010 Hydronix Whole House Sediment Filter Cartridge (6-Pack)

    SDC-45-1010 Hydronix Whole House Replacement Sediment Filter Cartridge (6-Pack)

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    $59.99

  3. SPC-45-1010 Hydronix Pleated Sediment Water Filter (6-Pack)

    SPC-45-1010 Hydronix Pleated Sediment Water Filter (6-Pack)

    Fits filter housings that accept standard 10 x 4.5 inch filter cartridges Learn More

    $66.99

  4. CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $36.99 Retail Price:  $49.44
  5. SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    2.5 inches by 9 7/8 inches, 10 micron. Built to fit into systems that use Liquatec SDF-25-1010 and Watts FPMB10-978 water filters Learn More
    $5.99 Retail Price:  $6.89
  6. SPC-25-1010 Hydronix Pleated Sediment Water Filter

    SPC-25-1010 Hydronix Pleated Sediment Water Filter

    10 micron filter, sized 9 7/8x2.5 inches Learn More
    $8.99

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