451-101, CO DETECTOR/Panel mount, 14/28 VDC, internal fan, shielded, audible alarm, LED red and amber CO Alert lights, LED green nominal indication light, 0 degree Fahrenheit to 100 degree Fahrenheit.
451-101, CO DETECTOR/Panel mount, 14/28 VDC, internal fan, shielded, audible alarm, LED red and amber CO Alert lights, LED green nominal indication light, 0 degree Fahrenheit to 100 degree Fahrenheit.