CS06FTFUR820 is a Viking refrigerator water filter designed to reduce contaminants in the drinking water. It is a 6-month filter, meaning it needs replacing every 6 months to ensure that contaminants are removed at consistent levels. The filter fits into the bottom right refrigeration side of a Viking refrigerator. It clean the water by physically trapping sediment, contaminants, and metals, while also absorbing volatile organic compounds. This filter also reduces chlorine taste and odor, as well as cysts, lead, and mercury.