VIKING AIRTECH brand ventilator is grouped into louver, mushroom ventilator, gooseneck ventilator according to its structure; Thereinto, louver can be divided into watertight louver and watertight louver which also can be classified as pneumatic, electric and manual louver.

We can customize in accordance with users’ requirements.

Ventilator No.1	Ventilator No.2	Ventilator No.3
Pneumatic Operated Louver	Mush Room