Notifier NBG-12LX Unlike my other two Notifier NBG-12LX’s, this one has a module in it. Brand NotifierModel NBG-12LXManufacturer System SensorType Pull Station
Amseco BZ-51-PC2 Category : AmsecoI like the grille, or in other words, have nothing special to say about this particular unit.
System Sensor SP1W2475ADA Category : System SensorThe strobe portion can detach from the speaker body.
Simplex 4903-9101 Category : SimplexSince this is a ceiling-mount unit, it’s model number is probably different from 4903-9101, but I couldn’t figure out what...