The rotating shaft and blades have high strength, are not easy to break and have longer service life. The air duct is optimized by mute, so the air outlet is quiet and not harsh, and the ride is more comfortable. The air outlet is smooth and the air volume distribution is even, which effectively improves the temperature adjustment speed in the car. The sealing structure is reasonable, and the air outlet is even without air leakage, which improves the heating efficiency of air conditioning refrigeration. Air Conditioner Vent A/C Compatible with Audi Q7 2007-2015 Front Rear Panel Dash Louver Air Conditioner Vent A/C Outlet, Manufacturer: wuwuwuxiu shop