The Frigidaire WF3CB Puresource3 Refrigerator Water Filter will help to make safe water second nature for you and your family. It is certified to reduce contaminants and keep great tasting water flowing for you and your family. The filters out up to 99% of contaminants and reduces chlorine taste and odor, particulates class I, cysts, lead, mercury, pesticides, insecticides, bpa, asbestos.