When shut, Each and every end rests in excess of the a person beneath it. This damper design finds its Key use in ducts with preset airflow. To paraphrase, they control the quantity of heated or cooled air to each section of one's residence. Dampers are a vital Element of https://air-control-dampers-for-h90112.bleepblogs.com/37126735/the-single-best-strategy-to-use-for-air-control-dampers-for-engine-sheds