Charcoal Water Coffee Filter Cartridges, Replaces Keurig 05073 Charcoal Water Coffee Filters- Set of 12 IMPROVES FLAVOR: Everyday charcoal coffee filters improves flavor by removing impurities, calcium, chlorine, and odors FDA COMPLIANT: Quality meets or exceeds original filters HIGH QUALITY CHARCOAL: Finer charcoal granules increase the surface area exposure to water and maximize the effective filtration UNIVERSAL KEURIG FILTERS: Designed for all Keurig coffee maker models that require water filters SIMPLE FILTER REPLACEMENT: Simply place a cartridge into the water filter assembly and insert into your water reservoir