The Braeburn Systems 18 x 12 Rectangular Damper is a high-performance solution for controlling airflow in HVAC systems. Measuring 18 inches by 12 inches, this damper is perfect for various duct sizes and configurations. It is constructed from durable materials to ensure long-lasting performance. Designed for pressure operation (PO) and compatible with pressure control (PC) systems, this damper is easy to install and maintain. It meets industry standards for efficiency and reliability, making it an essential component for optimizing your heating and cooling systems.