Manufactured by Thermo Scientific, explosion proof refrigerator freezer 3551-1 is particularly suited for safe storage in hazardous environments. Available in 240 volts, this combination unit offers a total capacity of 10 cubic feet, and provides 1 to 12 degree C temperature in the refrigerator section and -20 to -12 degree C temperature in the freezer section. For maximum storage space, this unit has 3 adjustable refrigerator shelves plus 4 door shelves, and one freezer shelf which is fixed. The tough white exterior is spark free and reduce the risk of explosion. UL listed and CSA certified, this explosion proof combination unit is also suitable for use in Class I, Division I Group C and D hazardous environments.