PRACTICAL: Heating and insulating metal drums, pipes, water tanks in non explosive gas applications, auxiliary heating of air conditioners, stable and reliable performance, practical, easy to operate and use, has a long service life.Specifications.Product name: oil drum heaterProduct size:86x20CM/34x8IN 20L 800W,152x25CM/60x10IN 150L 2000W,174x12.5CM/68.5x5IN 200L 1000W,174x25CM/68.5x10IN 200L 2000WCompressive strength: 1500 V / 5SWithstand voltage: > 5 KVSuitable for metal pails, honey pails, plastic pails, paint pails, plastic and metal.1. This barrel band heater is controlled by an adjustable thermostat.2. Flexible springs are used to hold the barrel heater in place around barrels of various diameters.3. The spring can be stretched to approximately 3 inches.4. For plastic drums, it is recommended that the thermostat is set below 37°C).5. Suitable for metal pails, honey pails, plastic pails, paint pails, plastic and metal.Package includes.1x oil drum heater (drum not included)hint:1. Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks!2. Please avoid 1-3cm measurement deviation due to manual measurement.