It is used for plastic welding , also can be used for thermal plastic molding , docking operation and working with automatic welding machine ,plastic extrusion type coordinately . The advanced heating element features a segmented ceramic insulator that allows expansion during heating and cooling . The large impeller blade allows for increased air flow transimission across the heating .Total volume is 285L/M) Specifications LED Temperature display Two stage air flow Auto cooling system Approval mark : CE