Usha Turbo Heavy Duty 900RPM Exhaust Fan Series:Turbo Heavy Duty Color/finish:Metallic Grey Sweep:300mm Voltage:230V Speed:900RPM Power:55W Air Delivery:1145 m3/Hr ISI:2312 marked heavy duty motor metal exhaust fan is specially designed for industrial use.Available in multiple sizes and speeds and in single phase and 3 phase motor 100 Percent copper motor for longer performance Dynamically balanced blade for smooth operations Anti corrosive treatment and attractive metallic finish Corrosion protection with rust proof body and blades Dynamically balanced blade for vibration free rotation.Alluminium pressure die cast body ensures long life.Powerful fan that provides consistent quality and trouble free operation.Anti-corrosive treatment and attractive metallic finish Looking for the right Exhaust fan to throw out stale air Look no further,Usha Exhaust fans with automatic shutter and rust-proof body are ideal for your kitchens and bathrooms