Nighthawk Carbon Monoxide Detector (qty.3) Start Price USD 0.99 Current Price USD 42.00 Time Left - Bid Count 12 Buy It Now Price - Reserve Price - Start Time Sunday, August 31, 2008 End Time Sunday, September 07, 2008 Location Granbury, TX See more about 'Nighthawk Carbon Monoxide Detector (qty.3)' Description 3 Used working carbon monoxide detectors. Model #KN-COPP-3 Place a Bid!