The 24v Automatic Rectangular Damper measures 6x18 inches and is designed for efficient airflow control in HVAC systems. Manufactured by METROPAC, this damper features durable construction to withstand various environmental conditions. It operates on a 24-volt system, ensuring compatibility with standard HVAC setups. The damper is ideal for regulating air distribution in residential and commercial applications, enhancing energy efficiency and comfort. Its compact size allows for easy installation in tight spaces, making it a versatile choice for any HVAC project.