Discount Water Filters and Air Filters at Discount Filter

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Under Sink Water Filter Replacement Cartridges

Don’t settle for a replacement under sink water filter cartridge that simply fits, find one designed and manufactured specifically for your under sink water filter system.

Discount Filter Store has one of the largest selections of undersink filter cartridges. With under sink filter cartridges available in over 15+ different filter medias, 8+ different sizes (5x2½ - 20x4½), and a wide variety of filter life’s ranging from 250 gallons to 50,000+ gallons, you’re guaranteed to find the under sink water filter system and/or replacement cartridges you need. Choose from hundreds of under sink water filter cartridges from some of the industry’s top brands including American Plumber, Crystal Quest, Pentek®, Culligan®, GE, Aqua-Pure®, Whirlpool®, and more.

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  • WGCHD American Plumber Undersink Water Filter Replacement Cartridge
  • CB6 OmniFilter Whole House Filter Replacement Cartridge
  • GAC-BB Pentek Replacement Filter Cartridge

    GAC-BB Pentek Replacement Filter Cartridge

    MSRP: $36.99
    Save 27%
  • MATRIKX-Pb1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • CQE-RC-04035 Crystal Quest Carbon Block Water Filter Cartridge
  • CB-45-1001 Hydronix Replacement Whole House Filter Cartridge
  • WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge
  • CMB-510-HF Advanced Water Products 10-inch x 4.5-inch Replacement Sediment Filter
  • R50-BBSA-D Culligan Comparable Whole House Water Filter by Tier1

9 Item(s)

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