500mm 650 750mm High Quality...

1. Free choice for three-grade switch with headshaking device. 

2. Protection device for motor, to assure safe operation.

3. With high-grade lubricating oil to assure the long-term normal operation of motor gear box. 

4. Widely used in factories, storage of industrial & mining enterprises and other occasions where need ventilation and environmental improvement.

5. Available on wall type and pedestal type. 

Technical Parameters