Product Description:Fitsmost 55 gallon drums.Ideal for heating up WVO for settling or processing biodiesel. This heater is controlled by a an adjustable thermostat.Flexible springs are used to attach the silicon heater aroundvarious diameter drums. The springs can stretch up to about 3 inches.For plastic drums, it is recommended to keep the thermostat set below 100F (37C)Speciations:Dimension: 125mm(Width)*1740mm(Length)1.5mm(Thickness)Drum Size:200 L(55Gallon)Heating Power:1000WPlug Type: AU Plug (Random Color)Insulating materials: the maximum temperature of 250 F (120C)The use temperature: 80 to 300 F (30 to 150C)Insulation resistance: >= 5 MohmCompressive strength: 1500V / 5SPackage Include:1pc Silicon heater (the drum not included) Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..