Genuine OEM Volkswagen Cabin Air Filter, part number 7M3819644A. This filter cleans the air entering the vehicle cabin, trapping dust, pollen, and other airborne particles. It is typically located within the HVAC system, often behind the glove box or under the dashboard. Measuring approximately 53.6 cm long, 11.2 cm wide, and 3 cm high, it weighs 0.29 kg. Using a genuine OEM filter ensures optimal filtration efficiency and proper airflow, maintaining the intended air quality and HVAC system performance.