The 24v Automatic Rectangular Damper measures 10x18 inches and is designed for efficient airflow control in HVAC systems. Manufactured by METROPAC, this damper features durable construction and reliable performance, ensuring optimal ventilation. It operates on a 24-volt system, making it compatible with various heating and cooling applications. The damper is ideal for both residential and commercial use, providing precise airflow management. Its rectangular design allows for easy installation in standard ductwork, enhancing system efficiency and comfort.