Insulated Band Heater QWORK Metal Drum Heater can keep your drum warm and prevent from freezing. It is an ideal way to keep your drum warm. Diameter: 10-3/8in (263mm) Fit: 5 gallon drum Length: 33-3/4in (860mm) Width: 7-3/4in (200mm) Voltage: 120VAC Watts: 800 Long Size With Length of 33-3/4", it can be used for 5 gallon drum. Adjustable Temperature: Adjustable thermostat has a range of 86 to 302degrees F (30 to 150 degrees C). Excellent Spring It can easily connect to the drum without broken by our excellent spring. And it can fix tight on the drum without falling down. Stable Connection Made of high quality material, this connector can hold the spring and will not deform when the temperature rises. Instructions Matters Needing Attention Inspect vessel to be heated for any sharp edges, rust, oil, etc. The power connections must be adequately rated to electrically support the voltage and amperage of the heater. Select a suitable location to install the heater. The heater should be located below the lowest expected content level (typically the bottom 1/3) of the vessel. Do not overlap the heater on itself or another heater. Do not twist the heater or cover any protrusions that may cause an air gap beneath the heater.Before connecting the heater to an electrical source, turn the adjustable dial on the heater’s control box.Do not wrap the heater over itself.If anything unusual happens, disconnect from power source and clean after heater is allowed to cool.Never operate a heater without an appropriate heat sink (device being heated is considered a heat sink)Do not operate heater above rated temperature value.Fasten heater to device using approved methods only.Do not repair damaged or faulty heaters.Do not crush or apply severe physical stress on heater or cord assembly.Disconnect heater when not in use.Use specified sized heater with same sized drum. Do not use for other applications.Failure to observe these warnings may result in personal injury or damage to the heater.