Turn your Napoleon gas grill into a Charcoal grill and smoker for enhanced food flavor. Add the flavor of charcoal in combination with your favorite wood chips using your gas grill. Your Napoleon 67731 Cast Iron Charcoal Tray for Napoleon Grills lights quickly and conveniently with your bottom gas burner. Just remove your grids and sear plates, rest charcoal tray on burners, add charcoal and replace cooking grids. Use your burners until the charcoal glows red, turn the burners off and grill the modern charcoal way.