A backdraft damper makes it possible for the circulation in a single route and does not change the path or reduce the stream. Meanwhile, the balancing damper uses rotating shutters to control airflow and pace. Leave a Reply It helps prevent backdrafts, which often can occur when detrimental tension builds https://air-control-dampers-for-h90112.azzablog.com/36828237/about-air-control-dampers-for-engine-sheds