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System Sensor 2551HR Photoelectric Smoke Detector for Duct DH500 Honeywell

System Sensor 2551HR Photoelectric Smoke Detector for Duct DH500 Honeywell

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System Sensor 2551HR Photoelectric Smoke Detector for Duct DH500 Honeywell


These are "new old stock". Never used before in original manufacturer's packaging.


Each quantity is for quantity (one) kit.


Test thoroughly before using.

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