This plastic knob is designed for the ventilation flap of classic Citroën models such as the 2CV, 11CV, and 15CV produced up to July 1952. It is an essential replacement part that helps regulate airflow and ventilation in the vehicle. Made from durable plastic, this part offers an authentic appearance and functionality consistent with the original design. Perfect for restoration projects or routine maintenance, this knob ensures the mechanical performance of your classic car collection's ventilation systems is maintained. It is easy to install and compatible with multiple Citroën models, making it versatile and practical.