Innovair D4120 Duct Smoke Detector

D4120 products system sensor system sensor. The flexible housing of the duct smoke detector fits multiple footprints from square to rectangular. Hvac duct smoke detection.

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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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