3-Pack Replacement Bosch B22CS30SNS-01 Refrigerator Water Filter - Compatible Bosch ULTRACLARITY, 644845 Fridge Water Filter Cartridge Replacement Bosch B22CS30SNS-01 Refrigerator Water Filter, Quantity: 3 Replaces ULTRACLARITY, 644845 Fridge Water Filter Cartridge Refrigerator water filter retains beneficial nutrients in water while removing the taste of chlorine and odor leaving you with a fresh and clean tasting water. Reduces waterborne contaminants including cysts, asbestos, particulates, lead, mercury without removing beneficial minerals & restricting the flow rate of the water. Cut down water bottle waste and save money while also helping the environment by using water filters. For the highest quality water and best contaminant reduction replace the filter every 6 months. On Sale for a Limited Time!