Dampers come in various shapes and sizes, but all of them possess the similar fundamental components. They include a body which is set up during the ductwork, with blades or vanes which can be altered to control the airflow. Smoke dampers are comparable to hearth dampers but are specially created https://air-control-dampers-for-h80123.blogoxo.com/36956488/not-known-facts-about-air-control-dampers-for-hot-climates