Simplex 4904-9103 Category : Simplex This is the ceiling-mount version of the Simplex 4904-9101 remote strobe. Brand SimplexModel 4904-9103Manufacturer SimplexType Alarm (Remote Strobe)
Cerberus Pyrotronics MS-151 Category : Cerberus PyrotronicsThis Cerberus Pyrotornics MS-151 is in a bit better shape than my other one.
Simplex 4903-9219H Category : SimplexThis alarm is specially made for high-humidity situations such as swimming pools. That’s what the “H” in the model number...
