BDW-87-3 FRP low noise roof fan BDW-87-3 FRP low noise roof fan is the company with reference to the same type of fans at home and abroad instead of glass fiber reinforced plastic material developed into a low-noise fan. Noise may be limited to 60 (A) dB or less, can be widely used in all kinds of factories, buildings and other industrial buildings and comprehensive local exhaust ventilation, especially in places that require low noise, hotels, schools, hospitals, theaters and other more appropriate. The fan has low noise, high efficiency, corrosion resistance, light weight, reliable operation, simple installation and so on.