First Alert Carbon Monoxide Alarm CO Detector Battery Operated 5 Year Warranty N

First Alert Carbon Monoxide Alarm Battery Operated CO Detector 5 Year Warranty New. Protect your family and yourself from the silent killer—carbon monoxide. Potential sources of carbon monoxide: blocked chimney, furnace, attached garage, range hood, clothes dryer, portable or water heater, fireplace, indoor grilling.

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