IBM 4032-1B Category : IBM This horn operates on 12 VAC. Brand IBMModel 4032-1BManufacturer IBMType Alarm (Horn)
Silent Knight PS-SATK Category : Silent KnightThis pull station is just rebranded by Silent Knight. I also have the Simplex and Wheelock versions of this pull.
Siemens HFP-11 Category : SiemensThe protective layer over the vents on the side of the detector is made out of a really thick fabric....
