Charcoal Filter DCC-RWF Replacement Fit for Cuisinart Coffee Machine Pack of 20 Set of 20 charcoal water filters. These 20 individually sealed charcoal filters were packed in a box (17CM X 10CM X 3.5CM) but not a bubble wrap so that can be protected perfectly Charcoal water filter removes impurities: chlorine, calcium, bad tastes and odors Simple-to-install design; requires replacing every 60 days or after 60 uses Satisfaction Guaranteed: our products have FDA, LFGB, REACH and RoHS Certification