The UV Smoke Inspection Kit, No. 96-0303, from Redline Detection is made with UV dye, mineral oil USP or NF. The included UV flashlight enhances visibility by illuminating the smoke and any trace fluid, providing an alternative means to "seeing" air leaks. UV glasses are also included to improve contrast and help the user see leaks. The 8 oz. bottle can service over 1,000 vehicles.