The 24v Automatic Rectangular Damper measures 20x6 inches and is designed for efficient airflow control in HVAC systems. This high-quality damper is constructed from durable materials, ensuring longevity and reliability. It operates on a 24V power supply, making it compatible with most standard HVAC systems. The damper features a robust design that meets industry standards for performance and safety. Ideal for both residential and commercial applications, it helps optimize energy efficiency and maintain desired temperature levels.