... requirementsspot supply standard specifications Description and volumeDrum heaters:200L(55G)Drum heaters:20L(5G)Drum heaters:200L(55G)Size250*1740*1.5mm200*860 ... Handling, Freeze protection for hardware.NOTE For Made-to-Order heaters, please provide the following: Qty, Size, Voltage, Watt density, Temperature ... , such as holes, PSAS etc.For more information about flexible heaters, please contact us!