Frigidaire(R) PureSource2(TM) Water Filter. Frigidaire's newest, most advanced filtration system. NSF(R) tested and certified. Front, touch-loading system is designed for convenience, appearance and function. Compatible with next generation of 2001 energy-compliant Frigidaire refrigerators. Fits all Frigidaire(R) PureSource2(TM) equipped refrigerators. Improves taste and odor. Reduces lead, chlorine, cysts, particulates, and some herbicides and pesticides.