1. Ventilation duct fan is combined with domestic and foreign advanced technology.
2.The sizes of inlet duct and outlet duct are the same.
3.Connected the fan and piping.
4.Special housing could reduce noise and vibration, best design on the impeller base on aerodynamics.
5.Design for blow, exhaust, circle, renew and filtration.
6.Used in hotel marketplace gymnasium supermarket store room and most of public place.
7.Consist of housing, impeller, motor, base and connection box.