Wheelock EH-EL1 Category : Wheelock This horn was attached to my Space Age Electronics A32-BL-SFXC-TJ24B-0000 when I received it. Brand WheelockModel EH-EL1Manufacturer WheelockType Alarm (Horn)
Grinnell TFX-912P Category : GrinnellJust like the rest of my Grinnell equipment, this smoke detector is from Brigham Young University.