Refrigerant Freon Leak Detector Tools This is a best tool for HVAC and RAC worker. Everyone can find easily Leak with this tool. this Tool name is Refrigerant Freon Leak Detector. i think that Everyone should have it. Brand LotFancy Item Weight 6.4 ounces Package Dimensions 9 x 3 x 2.4 inches Item model number 12P-2629-C