Calphalon Charcoal Water Filters for Coffee Makers 2-pk Calphalon Charcoal Water Filters for Coffee Makers 2-pkDesigned to fit all Calphalon coffeemakers, these replacement charcoal water filters remove impurities for better-tasting coffee. For best results, replace your charcoal water filter every 60 days.Product Measures: 1 by 1.5 by 1.5 Calphalon Charcoal Water Filters for Coffee Makers 2-pk 1 - Pack