Grinnell TFX-912P Just like the rest of my Grinnell equipment, this smoke detector is from Brigham Young University. Brand Grinnell
Notifier BNG-1R Category : NotifierThis is the oldest Notifier pull that I own which opens with the modern Notifier key.
Honeywell HFS-P Category : HoneywellOddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Honeywell devices.