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The D2, 2-wire photoelectric duct smoke detector features a pivoting housing that fits, and mounts to, both square and rectangular footprints.The D2  senses airflow speeds ranging from 100 to 4,000 ft/min, operates -4°F to 158°F and has a humidity range of 0 to 95 percent (non-condensing).

InnovairFlex™ Series D2 Duct Smoke Detector

The D2, 2-wire photoelectric duct smoke detector features a pivoting housing that fits, and mounts to, both square and rectangular footprints.The D2 senses airflow speeds ranging from 100 to 4,000 ft/min, operates -4°F to 158°F and has a humidity range of 0 to 95 percent (non-condensing).

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