Notifier CPX-551 Category : Notifier This is an ionization smoke detector. Brand NotifierModel CPX-551Manufacturer System SensorType Smoke Detector
Gamewell A8814 Category : GamewellI have no idea what year this alarm is from, only that it’s old and heavy.
Gaylord NC-1357A Category : GaylordI like this unit so much in part because there’s no branding on the front.
