• Totally enclosed highly effi cient heavy duty motor with pressure die cast aluminium rotor mounted on two ball bearings. • Aerod ynamicall y contoured blades handle maximum air with minimum power consumption. • Rigid frame with rubber mountings for silent operation. • Epoxy powder coating with specially pretreated components for better resistance to corrosion and acid alkali fumes. • Formore corrosive environment, exhaust fans with chlorinated rubber paints are available. • With IP55 specifications.