Genuine OEM Audi Charcoal Container Breather Line, part number 4N0201995M. This line is an integral part of the vehicle's evaporative emissions system, designed to transport fuel vapors from the charcoal container to other components for processing. It ensures proper ventilation and prevents harmful emissions from escaping into the atmosphere. Weighing 0.357 kg and measuring 1.35 meters in length, this line is engineered to exact specifications. Using a genuine OEM breather line guarantees correct routing geometry, material resistance to fuel vapors, and long-term sealing performance.