The Frigidaire WF2CB PureSource 2 Replacement Water & Ice Filter improves upon the already stellar design of the PureSource water filter. It provides excellent tasting water and ice, and works to remove water contaminants, including cysts, particulates, lead, mercury, herbicides, and pesticides. The exterior casing is a strong white plastic cassette designed to be long lasting. The PureSource 2 Water Filter is compatible with Frigidaire refrigerators designed to work with the following water filters: WF2CB, SWF2CB, FC-100, FC100, and NGFC 2000.