Drum Heater Electric Watts 335 2.8 Amps AC Voltage 120 Watt Density 1.68W/sq. in. Control Range 0 Degrees to 165 Degrees F Length 58-1/8 In. Height 5 In. Drum Capacity 30 gal. Drum Dia 18-1/2 In. Standards UL/CSA Certified For Use With Plastic Drum Includes 6 ft Cord with NEMA 5-15 Plug