Apollo Fire Detectors Duct Detector (Use XP95 Head) Tube Rqd

The Apollo AP53546-022APO Intelligent Duct Smoke Detector provides early detection of smoke in the air moving through heating and ventilation (HVAC) ducts in commercial and industrial premises. Its purpose is to prevent the re-circulation of smoke from an area on fire to areas unaffected by the fire when used with a XP95 or Discovery detector.