Green Houses industrial open air cooler ( exhaust fan )

Features:

 1.huge air volume.low noise,good energy saving and little dust

 uce the indoor temperature to less than 30,no matter how high the orignal temperature.

 3.Keep the air change many timers per hour.

 4.Wall or window mounted.

 5.Blade pully is light weight,high intensity ,quick assemble, and anti-corrision.

 6.The material of the shell ued the famous FER,it's main features is anti-acid and alkali,anti-corrosion,no rust and long lifetime.

 6.Motor of 380V/220V,50HZ,3Phase,IP55 F Class

 7.Each motor is individually tested for 100% quality control.

 8.The shutter can open,close automatically, and can prevent dust and dust effectively