The Vokes Air Filter (Nut Fitting) is an essential component for the classic Citroen 11CV Perfo. It is designed to filter out contaminants and particles from the air, ensuring the engine receives clean air for optimal performance. This not only enhances combustion but also extends the engine's lifespan. Made from high-quality materials, this air filter offers durability and reliability. It is easy to install and ensures your Citroen runs smoothly. This filter is a perfect choice for classic car enthusiasts looking to get the best out of their vehicle.