Silent Knight SD505-APS This smoke detector is conventional. Brand Silent KnightModel SD505-APSManufacturer Silent KnightType Smoke Detector
Cerberus Pyrotronics MS-151 Category : Cerberus PyrotronicsThis Cerberus Pyrotornics MS-151 is in a bit better shape than my other one.
Simplex/Standard 4080 Category : Simplex, StandardI’m not sure if this is actually a Simplex bell or a Standard bell. Although it’s labeled as Standard on...