The GE Smartwater Refrigerator Filter MSWF Replacement Cartridge is a white water filter designed specifically for GE refrigerators. It is capable of removing contaminants such as carbofuran, toxaphene, P-dichlorobenzene, benzene, lead, and mercury, making it suitable for household use. This cartridge comes in a pack of 1 and is a convenient solution for ensuring clean and safe water for your household needs.