Thermo Scientific has manufactured the flammable storage refrigerator freezer combination unit for storage of volatiles where a spark-free internal cabinet environment is required. With 10 cu. ft. capacity, this 240 volts unit provides a temperature range of 1 to 12 degree C in the refrigerator section and -20 to -12 degree C in the freezer section. Model 3551-11 features spark-free ABS plastic interior with enameled steel exterior to reduce risk of internal explosion. The thermostat located on exterior of the cabinet eliminates interaction with stored materials. Three adjustable shelves and four door shelves in refrigerator section gives you maximum storage space with one freezer shelf. Engineered with no internal electrical components which could trigger an explosion, this manual defrost refrigerator freezer meets OSHA and National Fire Protection Association safety requirements.