This air-operated damper is designed for tube fans with a size 125 configuration, providing precise control of airflow within ventilation systems. Made from durable materials, it ensures reliable operation and helps maintain optimal system performance. The damper is easy to install and integrates seamlessly with existing ducting, making it suitable for both commercial and residential applications. It offers an effective solution for managing airflow, enhancing efficiency, and supporting the long-term reliability of ventilation systems.