Simplex 4902-9717 This is a TrueAlert speaker. Brand SimplexModel 4902-9717Manufacturer SimplexType Alarm (Speaker)
FCI MS-2 Category : FCIThis is an earlier generation MS-2. The metal piece on the inside which holds the handle open once it has...
System Sensor 2451 Category : System SensorI’m not quite sure what the purpose of the “extravagant” base on this smoke detector is for.