Simplex 4903-9236 Category : Simplex This unit has an electronic horn, as opposed to the electromechanical horn or speaker found in other rectangular Simplex notification appliances. Brand SimplexModel 4903-9236Manufacturer SimplexType Alarm (Horn/Strobe, 4-wire)
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...
Grinnell RMS-1T Category : GrinnellI’m almost certain that this unit has an actual “Grinnell” model number, not just the standard RSG one, but it’s...