(1) Notifier SDX-551 Photoelectric Smoke Detector/w BX-501 Bases (Yellowed)

"NEW" NOTIFIER #BX-501 Detector Base Never Used in Original Box.

Fike smoke/heat detector/sound 202-0001 , base and cover only.sensor not shipped

Notifier FAPT-851 Acclimate Multi Sensor, Smoke And Heat Detector Head

AXIS ADVANCED Smoke Heat Fire Alarm Detector MB BASE MATT BLACK MOUNTING BASE

Hochiki HSB-NSA-6 Fire Alarm Smoke Heat Detector Base

Notifier SDX-551 Photoelectric Smoke Detectors with BX-501 base.

*Lot of 2* BX-501 Smoke Detector Bases Notifier and System Sensor SHIPS FREE