Double-layer louver air vents are widely used as air outlets in air-conditioning systems. According to the requirements of use, aluminum air volume adjustment valves (herring gates) can be configured behind the air vents. Double-layer louver air vents have two layers of vertical sheets to adjust horizontal and vertical The angle of the film is adjusted to adjust the airflow diffusion surface to change the range. The width of the outer frame of the tuyere can be wide frame or narrow frame, which can be used in ventilation systems with special requirements.
Double-layer louver air outlets are usually installed on pipes or side walls as side air outlets. Double-layer louver air outlets have two layers of movable blades with adjustable angles.