M601-FRP Frame FRP Propeller 42� Blade Six blades Nylon with considerable Fiber Motor 3/ 4HP F level Voltage 220V~ 460v RPM/ min 540rpm Volume 70~ 75dB Capacity 36000M³ / hr Wa tt 1080W Size 116x116x42cm Weight 54kg Specifications industrail exhaust fan 1) saving energy 2) strong wind power 3) convenient to move 4) light weight series industrial ventilation systems has many advantages, such as large air volume , low noise , high voltage . It can be widely used in complex environment such as food , medicine, metallurgy, power plants , transportation and so on.