Silicone Rubber Drum Heater Current Rating 6.5 A Environment Indoor For Container Capacity 55 gal For Container Material Type Metal For Container Type Drums Thermostat Temperature -Maximum 425 Degrees F Thermostat Temperature -Minimum 50 Degrees F Operating Voltage 230V AC Watt Density 6.5 W/sq in Watts 1 500 W Closure Method Hook Clip Drum Diameter - Maximum 22 1/2 in