Sell Wind Power Roof Fan

Products Name:roof fan
Quantity:20000pcs/m
Packaging:carton
Full Size:AP500
Place of Origin:Shanghai
The roof ventilation fan applies the theory of convection between natural wind and air to accelerate and transform any parallel airflow into vertical so as to improve the indoor ventilation. The hot air rises and cold air falls, which makes the fan rotate. So the indoor heat, stink and dust are exhausted effectively. As a result, it improves the working environment, protects workers' health and enhances the working efficiency.
Its significant characteristics: no energy cost, free maintenance, strong ventilation, high sensitivity, no noise, stable and durable, dehumidification, anti-sweat and rain-proof.

Model No.:500-I
Material: stainless steel
Amount of Blades:25pcs
Total Height:600mm
Turbine Diameter:620mm
Ventilation Diameter:490mm
Soleplate Diameter:490mm