Presenting the Thermo Scientific explosion-proof undercounter freezer 3557-2 which is specially engineered to prevent triggering an explosion inside or outside the unit. With 5 cu. ft. capacity, this unit offers -20 to -12 degree C temperature and has CFC-free insulation and coolant. The two fixed interior shelves and three door shelves offer maximum storage space in the sparkfree plastic interior. Model 3557-2 features thermostat and compressor components safely isolated within a vapor-proof enclosure, and hardwired electrical connections to prevent sparking and accidental disconnection. This 120 volt freezer meets OSHA and NFPA safety requirements and is suitable for use in Class I, Division I Group C and D hazardous environments.