STI STI-1100 Stopper II With Horn Flush Mount imported eBay Enhanced detection via forward-and-backward light-scattering

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

listed for use with fire protective systems and are warranted for three years from date of purchase

“Special Applications” listed with Siemens panels

Diameter: 6

Notifier FSP-851(A) Series intelligent plug-in smoke detectors with integral communication provide features that surpass conventional detectors

STI STI-1100 Stopper II With Horn Flush Mount imported eBay Enhanced detection via forward-and-backward light-scatteringLarger 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