4 Pro-Lab radon test kits. Comes with case and probe. Used one time.
Still under warranty. $250 cash. Call me at 303-565-7925
Jeff, I’m confused about what you are selling. Are we talking CO or radon?
Both actually. Monoxor III with some radon test kits. I know they are not used in the same instance. If you do not want the radon kits this is OK.
303-565-7925. Denver area.