The GE MSWF refrigerator filter fits in GE refrigerators with a long white plastic filter mounted inside the refrigerator. The GE SmartWater MSWF Water Filter reduces chlorine taste and odor, sediment, lead, cysts, and turbidity in your drinking water & ice. The GE MSWF filter cartridge is tested and certified to NSF/ANSI Standards 42 & 53.