Siemens HFP-11 Category : Siemens The protective layer over the vents on the side of the detector is made out of a really thick fabric. It’s kind of weird. Brand SiemensModel HFP-11Manufacturer SiemensType Detector
Wheelock 7002T-24 Category : WheelockAnother Wheelock 7002T-24 which I’ve incorporated into my collection.
System Sensor MASS2475ADA Category : System SensorMASS stands for “Multi-Alert Sounder/Strobe.” As the name suggests, it can do more than one tone. The only difference between...
