The Suction Fan is the central hub or support structure that connects the Fan Blades to the fan's driveshaft or motor. Connecting the Fan Blades to the central hub ensures that they rotate in sync, preventing any imbalance that could lead to excessive vibrations or decreased performance.Attributes:• Ensure smooth and efficient airflow by keeping the fan blades properly aligned and balanced• Provide 4 mounting holes of diameter 9mm• Allowing for reliable and efficient air movementApplications:The Suction Fan is used to provide a stable and balanced support structure for the Fan Blades and provide a cooling arrangement for the high ambient temperature part and also in the Suppression Sound parts.