Exhaust fan is also called negtive pressure exhaust fan. It's an axial fan.Mainly used for ventilation and temperature cooling . It is a more economical ventilation and cooling products. It has a simple structure, easy to maintenance, large air volume, easy to install, etc.
It's widely used in factory, greenhouse, poultry farm, livestock farm, etc.

Exhaust fan Features
1.Simple structure, easy to maintenance and install.
2.Drop thAutomatic shutter open and close.
3.Low noise and large airflow
4.Long service life
5.Can be widely used for the place need ventilation

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