Install：Easy installation without going to a dealer; simply remove the replaced air vent grille to easily install our product, no other operations required; 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：This vent frame is made of robust ABS, making it sturdy, solid, and weatherproof, ensuring long-term use and no fading; 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