The Cabin Air Duct Thumb Knob provides a convenient way to manually control the airflow inside the cabin. It enables users to adjust the direction and intensity of air passing through the ducts for improved comfort. By turning the knob, the air vent openings widened and narrowed to regulate air volume effectively. It ensures proper positioning of airflow toward specific cabin zones. It allows quick adjustments without needing electronic controls, offering dependable manual operation.Attributes:• Provides manual adjustment for cabin air duct outlet openings.• Maintains proper sealing to prevent unwanted air leakage.• Ensures reliable operation in both cold and hot climate conditions.Applications: The Cabin Air Duct Thumb Knob is located on the cabin air vent assembly and enables manual adjustment of airflow direction and volume to maintain comfortable ventilation.