DESC: "SUMMIT FF7 models are all refrigerators approved for commercial use, and carry ETL Sanitation approval (complies with ANSI-NSF Standard 7). Available in white, black or stainless steel. The interior light on these models is controlled with a on/off rocker switch. FF7 models all have SUMMIT's ""hidden"" evaporator (behind the rear wall) and consequently have one of the widest and deepest shelves in the industry, and can accommodate trays up to 19 1/2 inches by 16 inches. All FF7 models are automatic defrost, and can be ordered with optional wrapped stainless steel doors. "