sistant and rust-free, and are the best choice for many industrial equipment.
The air diffuser can be used in greenhouse exhaust fan in poultry.The exhaust fan air vent can avoid the dead angle of the air flow in the greenhouse.
Advantages
1.The shutter can be closed. When the device is not in use, the louvers of the air outlet can be closed. The closed louvers prevent rats or dust from entering and damaging the device.
2.The louvers can swing automatically from left to right. The angle of osci