www.securitymagazine.com/articles/76561-weather-stopper-from-sti-1
Weather Stopper from STI
February 14, 2002
Using the same super-tough cover as the Stopper Iibut without the warning horn, Weather Stopper can dramatically increase the lifespace of a pull station. Molded of polycarbonate material, it also guards against physical damage and helps reduce false alarms.