Release：Zhengyang air conditioning | Time：2018/5/8 15:07:51
Automatic exhaust for positive pressure air conditioning room
It can be used for the new air vent and outlet
It is naturally drooping by the vents and isolated from indoor and outdoor air. When the air pressure in the indoor air is greater than that of the outdoor, the airflow blows the blinds out and exhausts out, and the outdoor air can not flow into the room.
This tuyere has one way check function
The form can be round and round
