... Fin heating element is of coiling or stamping metal heat sinks on the surface of electricheating tube.Compared with fluorescent tubes ... ofwarming fast,high thermal efficiency ,long life and so on..2,In a limitation of heatingdevice,the power is reached ... of machinerymanufacturing,automobile,textile,food,paint,air-conditions and so on.Please see thefollowing table of Fin heating element specification, ...