Cerberus Pyrotronics Siemens DB-3S Base For Smoke Detector Fire Alarm

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Cerberus Pyrotronics Siemens DB-3S Automatic Fire Detector BASE NEW #2

New Cerberus Pyrotronics Siemens DB-3S Base For Smoke Detector. Fire Alarm.

NEW SIEMENS DB-3S Detector Base, I-22

Cerberus Pyrotronics Siemens DB-3S Base For Fire Alarm Smoke Detectors.