Dampers come in several sizes and shapes, but all of them possess the similar standard components. They encompass a body that is certainly installed from the ductwork, with blades or vanes which can be modified to control the airflow. Smoke dampers are just like fire dampers but are specially created https://air-control-dampers-for-h68900.liberty-blog.com/36744444/detailed-notes-on-air-control-dampers-for-hot-climates