The 24v Automatic Rectangular Damper measures 20x20 inches and is designed for efficient airflow control in HVAC systems. This damper features a robust construction that ensures durability and reliability. It operates on a 24V power supply, making it compatible with standard HVAC systems. The damper is ideal for regulating air distribution in commercial and residential applications, ensuring optimal performance and energy efficiency. Its rectangular design allows for easy installation in existing ductwork, and it meets industry standards for quality and safety.