400mm Electric Portable Blower Fan With Ducting

Electric portable blower fan with ducting application: confined space ventilation, drying & curing, underground ventilation, equipment process & personal cooling, welding fume exhaust, exhaust smoke & heat gases. brand: u-safe size: 200mm, 300mm, 400mm, 500mm, 600mm industry: construction, cement, oil & gas, steel & power, agrotech, petrochemical, shipbuilding, chemical,marine pharmaceutical, etc. question: what is electric portable blower fan with ducting electric portable ventilation fan is used for cooling/ventilation purpose in confined space, fume removal, etc. It is dynamically designed fan housing to optimizes airflow efficiency. Impeller is designed for high static pressure