It also has the auto open-shut function and help to keep away dust and water. It is the best choice for ventilation and cooling for your modern workshop.

Technical parameter: Fan Diameter: 1270 mm/ 48’ Moto/ Fan Blade Rotate Speed: 430/430 r/min Airflow: 44500m3/h Noise: ≤72 dB (A) Power: 1.1 kw Voltage: 380 v Weight: 94 kg Outer Size(Height*Width*Depth): 1380×1380×400 mm Frequency: 50 Hz Effective Area: 100~120 m² Air Pressure: 160 Pa Blowing Distance: 70 m