UG-3 Series Duct Smoke Detector Optical, 24 VAC/DC

"The Uniguard smoke detector has been developed to detect smoke in ventilation ducts and consists of an optical smoke detector." "Mounted in an adapter system." "Where both tube and housing are specially designed for optimum airflow through the smoke detector." "an assisted variant also available, along with a range of options such as covers, various lengths of venturi pipes and control units."