STI STI-1100 Stopper II With Horn Flush Mount imported eBay “Special Applications” listed with Siemens

“Special Applications” listed with Siemens panels

or 4″ square standard electrical box

Residential Buildings: The strobe alerts occupants in apartments

Enhanced detection via forward-and-backward light-scattering technology

Power supply via FDnet (supervised power limited)

STI STI-1100 Stopper II With Horn Flush Mount imported eBay “Special Applications” listed with SiemensLarger cover helps prevent malicious or accidental false fire alarms. The Stopper II is a unique device which has helped prevent false fire alarms around the world for more than 30 years, without restricting legitimate operation of devices such as fire alarm break glass call points. It is ideal for schools, colleges, hospitals, nursing homes, hotels and all public buildings where there is a history or a threat of false fire alarms. The Stopper II