Thermo Scientific flammable material storage freezer 3552-11A is manufactured for safe, cold storage of volatile materials. This manual defrost freezer features ABS plastic interior and a white enameled steel exterior. Built-in evaporators in 4 fixed shelves on this freezer provide even cooling. The thermostat control located on the exterior of the cabinet eliminates interaction with materials stored in 20.6 cu. ft. space. This 240 volt freezer also features solid door with key lock, magnetic vinyl gasket for positive door seal, and CFC-free insulation and coolants. Engineered with no internal electrical components which could trigger an explosion, this Thermo Scientific unit meets OSHA and National Fire Protection Association safety requirements.