This is a genuine air filter made by VW and Audi, with the part number 1K0129620G. It is designed to fit and function specifically in VW and Audi vehicles. This air filter helps to remove dust, dirt, and other particles from the air before it enters the engine, ensuring optimal performance and prolonging the life of the engine. It is a high-quality product that meets the standards and specifications set by VW and Audi.