Ventilation Exhaust Fan (European Standard):

Housing, venture and shutter is made of strong galvanized sheet-steel. Central hub and V-Belt pulley are made from die-cast aluminum. Electric motor winding insulation grade  F. IEC protective class of electric motor IP 55. Safety net available. France imported axis bearing and japan imported V-Velt are equipped in this exhaust fan for long time service of the fan. Fire Resistance Up to 1000 Deg Fahrenheit.