STI-1200A Stopper II EnclosureThe Stopper II is a patented device that has been helping stop malicious and accidental false fire alarms around the world for over 25 years, without restricting legitimate alarms. This version of the Stopper II has a four inch deep enclosed backbox which allows it to be installed in wet or wash down areas (such as kitchens, cafeterias, meat packing plants, showers, outdoors, etc.). It helps protect against physical damage (both accidental and