Simplex 2099-9788 Category : Simplex These pull stations were rebranded by Simplex in order to be used outdoors. Pulling the pull station requires breaking a glass rod. It’s unbranded model number is BG-50. Brand SimplexModel 2099-9788Manufacturer ProtectowireType Pull Station
GE 521BXT Category : GEI think that this smoke detector might be intended for use in security systems.