Industrial Axial Exhaust Fan 1.Large airflow,low noise 2.Easy installation 3.Aluminum Alloy Blade,galvanized casing JS series Exhaust Fan 1. Applications It is mainly used for sunstroke prevention and ventilation in green house, poultry house, warehouse and etc. It is used to transport non-flammable, low-corrosive gases with the tempreture no higher than 70, relative humidity no greater than 90% ...