... supply standard specificationsDescription and volumeDrum heaters:200L(55G)Drum heaters:20L(5G)Drum heaters:200L(55G)Size250*1740*1. ... , Freeze protection for hardware.NOTE For Made-to-Order heaters, please provide the following: Qty, Size, Voltage, Watt ... holes, PSAS etc.For more information about flexible heaters, please contact us! 200L drum flexible heaters 2000W with digisplay thermostat 0-280C