Innovair Duct Smoke Detectors D4120

System sensor d4120 4 wire photoelectric low flow duct smoke detector upc. Tool free plug in sampling tubes speed and simplify installation. The fl exible housing of the duct smoke detector fits multiple footprints from square to rectangular.

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System Sensor D4120 Duct Smoke Detector Photoelectric 4 Wire In 2020 Photoelectric Sensor Sensors Technology Detector

System Sensor D4120 Duct Smoke Detector Photoelectric 4 Wire In 2020 Photoelectric Sensor Sensors Technology Detector

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