Use the principle of negative pressure cross-ventilation, to bring the fresh air in from the opposite of the installation position——door or window naturally, and extract the indoor hot gas rapidly.Any improper ventilation problem can be solved. The cooling and ventilation efficiency can reach as high as 90%-97%. exhaust fan features

We manufacture most kinds of industrial ventilation fan,such as belt type exhaust fan,direct drive exhaust fan, blast protection and etch-proof ventilation fann

3.Shades: high-strength galvanized sheet, with automatic opening means to ensure that in any case it can maintain the 90 ° open.fans for inflatables

5.Belt: imported from Japan, it has a long-term life-span with maintenance-free.

6.Motor: equipped with efficient motors, passed by the 3C certification. Protection class: IP54; insulation class: F.

7.Installation position: mainly used on gable and side walls near the gable.