Check the listing for details. PRO LAB CARBON MONOXIDE TEST KIT ~ Instant Results~ CA101 Pro Lab ~ NEW. Condition: New – Open box, Made in United States. Listed at 13.00 USD. New old stock government surplus. Removed from a fleet part room. Never used and has the factory packaging as pictured. Packaging may have been opened to check contents or to take photos. May have light scratches from storage. These are in the factory sealed packaging but unknown on age. INVENTORY #1c8 DISCLAIMER ON AUTO AND EQUIPMENT PARTS: We only sell new old stock or very lightly used automotive parts. We do the best to ensure we are providing as many pictures, model numbers, and information to the best of our knowledge. We are human and have thousands of parts in stock. We do not know exactly what all vehicles every part fits. Please use the model or part number and verify that the part is the correct part for your vehicle or application. NO RETURNS on parts that do not fit. We are more than happy to take more photos or provide more information if requested. Please do not assume any additional parts or hardware is included if its not pictured. PLEASE INSPECT ALL PARTS PRIOR TO PUTTING INTO SERVICE. WE ARE NOT RESPONSIBE FOR THE OPERATIONAL CONDITION OF THE PARTS WE SELL. We appreciate your business with Brooks Government Surplus LLC