We bring you the ULT1186-3SI-D SI Series Ultra-Low Temperature Freezer from Thermo Scientific Revco. This unit comes with 11 cu. ft. capacity and -50 to -86 degrees C temperature range. It has a single solid door with a manual defrost and a unique thin-wall design that increases interior storage capacity without increasing required floor space. The super-insulated cold-rolled steel cabinets has panels constructed of a vacuum insulation core, evacuated and encapsulated by a sealed DuPont Mylar film laminate for durability. ULT1186-3SI-D meets UL, CUL, CE, and TUV criteria for safety and performance.