The METROPAC 24v Automatic Rectangular Damper, measuring 22x18 inches, is engineered for optimal airflow control in HVAC systems. This damper operates at 24 volts, providing efficient and reliable performance. Its rectangular design allows for easy integration into existing ductwork, ensuring seamless operation. Constructed from high-quality materials, it is built to last and withstand various environmental conditions. This automatic damper is essential for maintaining balanced airflow and enhancing overall system efficiency in both residential and commercial applications.