Price: US $34.20

System Sensor 2W-B Smoke Detector: 2-wire, I3 Series The Detector That Redefines Conventional Smoke Detection Installation Ease. Intelligence. Instant Inspection. These are the guiding principles of System Sensor's i3 series of photoelectric smoke detectors. Designed to take conventional smoke…

Price: US $41.95

System Sensor 2WT-B Smoke Detector: 2-wire with 135-degree Thermal Sensor, I3 Series The Detector That Redefines Conventional Smoke Detection Installation Ease. Intelligence. Instant Inspection. These are the guiding principles of System Sensor's i3 series of photoelectric smoke detectors. Designed…