Dampers come in different shapes and sizes, but all of them hold the same primary components. They include a frame which is mounted while in the ductwork, with blades or vanes that can be altered to control the airflow. Fireplace dampers, smoke dampers, and combination fireplace/smoke dampers are crucial to https://air-control-dampers-for-h79001.blogofchange.com/37408865/air-control-dampers-for-engine-sheds-an-overview