This 55-gallon (208L), 120V ECONO Drum and pail heater is made for metal drums and pails. The patented grounded heating element is laminated between two layers of 15mil fiberglass-reinforced silicone rubber, with a density of 16.8oz/sq. yd. (570g/sq. m) per layer. The heating element is uniformly placed to maximize heat distribution and meets NEC 427.23. It is moisture and chemical resistant, with a spring closure that can be expanded 3in (76mm). The adjustable thermostat has a range of 50 to 425°F (10 to 218°C) for metal drums or pails. The maximum exposure temperature on the heating surface is 450°F (232°C). Includes a 6ft (1.8m) long power cord with a standard 3-prong plug (NEMA 5-15). Grounded. Material: 2-Layer Fiberglass Reinforced Silicone Rubber. Silicone Rubber Density Per Layer: 16.8oz/sq. yd. (570g/sq. m). Voltage: 120VAC. Watts: 1000. Thermostat Temperature: 50 To 425°F (10 To 218°C). Maximum Exposure Temperature On Heating Surface: 450°F (232°C). Dielectric Strength: 2000V. Diameter: 22.3in (565mm). Length: 70in (1778mm). Width: 3.6in (92m). Size: 55-Gallons (208L). Brisk Heat #: ECONO55-1.