Round swirl air diffuser is an air supply tool in the air conditioning system. It can be used as a large air volume and a large temperature difference in the air conditioning and ventilation system to reduce the number of air vents. It is installed on the ceiling or ceiling, and can be used in low spaces within 3 meters. Meters above. The vortex tuyere sends out the rotating jet, which has the characteristics of large induction ratio and fast decay of wind speed.