KEURIG Charcoal Water Filters (12 Pack) - 05073-12Product Description For best results replace Filter every 60 days or after 60 uses Keurig Replacement Charcoal Water Filters feature a premium charcoal water filtration system that removes chlorine, calcium, bad taste, odor and other water impurities prior to brewing. Keurig Charcoal Water Filters make for a better tasting coffee experience overall. Model #05073 12(KE RWF 12) To use the water filter, simply rinse and insert the filter into your empty