Install：Easy installation without other tools, convenient to use; makes your car clean and creates a comfortable in-car environment; Function：The optimized air duct design effectively reduces wind resistance and improves airflow efficiency; even in hot summers or cold winters, it quickly regulates the in-car temperature, allowing you to instantly enjoy a comfortable driving experience. Material：Professionally designed for durability, high reliability, and stable for performance, ensuring worry-free use; Function: Serves as the core support frame for the air conditioning vents, securing the louvers and airflow control knobs to maintain normal airflow direction adjustment. Reminder: Differentiate between the pure inner support frame and the decorative outer frame; purchase only as needed. Only select the decorative frame if the exterior is damaged; if the frame is cracked, the entire assembly must be replaced., Manufacturer: YSSLYEU1