Trillian Charcoal Filter TPC-001203 Replacement Charcoal Water Filter for Cuisinart Coffee Machine, Pack of 12 HALLOWEEN SPECIAL - $6.50 until end of October. These replacement filters are exclusively designed for Cuisinart Coffee Machines and their quality equals the originals. Please note that these filters do not fit Keurig coffee machines. These carbon (charcoal) filters remove many of the impurities that both spoil the taste of your coffee and can even be injurious to your health. The filters are easy to use and easy to store and are good for around 60 days(or 60 pots of coffee) but if you have particularly hard water or brew more than one pot of coffee per day more frequent replacement might be necessary. Pack of 12 - so in effect a years supply or around 2 cents per day. Money back guarantee.