Advantages 
1. It is a environment friendly fan with the characteristics of high-efficiency, high-performance andlower power consumption.
2. The configuration of this moder is more adaptable to air flow property and its dimension fits the bentilation duct.
3. The series of fans can convey corrosive gas with acid-base and chemical composition.
4. It is not allowed to transfer gases with viscous material, the particla size of dust and hardness equal or less than 150mg/m³, air temperature less than or equal to 60ºC, relative humidity less than or equal to 100%.
5. The equipment has advantages of high intensity, high weight, not easy for aging, good perpormance in corrosive resistanc, low noise, stable operation and so on.