When fully rotated/engaged, airflow is blocked wholly; when disengaged/open up, air can move unimpeded through the program. Privacy Overview This Web-site employs cookies so that we will supply you with the most effective consumer working experience possible. Cookie information and facts is stored as part of your browser and performs https://trevorkbpdt.bcbloggers.com/35757765/air-control-dampers-for-engine-sheds-an-overview