Air VentOpenable 50 mm (Dash Vent V4) Compact and practical air vent for panel mounting, perfect for ventilation and directed airflow. This vent is both openable and rotatable for maximum flexibility and comfort. Features and technical specifications: Total diameter : 63 mm Hole diameter : 57 mm Connection diameter : 50 mm Mobility : Rotatable 360° for easy airflow adjustment Panel mounting : Fits panel thicknesses of 2 mm, 3 mm and 4 mm A versatile and durable solution for ventilation, ideal for vehicles, machinery or other applications where a smooth and adjustable airflow is needed.