Low-cost heating for plastic and metal pails UL-listed and CSA certified Primarily designed for use with plastic pails, these 5 gallon aluminized steel pail heaters are factory engineered to maintain a constant heater band temperature of 165° F while in contact with a full pail. Fits plastic or metal pails, tapered and straight sided pails 9 1/2"-12" in diameter. 120 volt AC, 100 watts. Not for use with flammable materials or near a flammable area. For indoor use only. Features: Description: Heater for round plastic or metal pails Wt.: 5 lbs Amps: 0.83 Fits Container: 9.5 - 12 inch diameter Power: Output 100W @ 120V Volts: 120V AC Diameter: 12" Width: 3 1/4" Height : 3 1/4"