STI STI-1200 Stopper II Without Horn

STI STI-1200 protective cover has been helping to stop false fire alarms around the world formore than 40 years, without restricting legitimate alarms. All models offer excellentprotection against physical damage (both accidental and intentional) and severalagainst severe environments both inside and out. It is ideal for schools, colleges,hospitals, nursing homes, stores, hotels and public buildings of almost every kindwhere there is a threat of false alarms.