Leak detection equipment for automotive air conditioning systems. Tracer Products’ parent company, Spectronics Corporation, invented fluorescent leak detection in 1955 and is the world leader in ultraviolet and UV/blue light technology. Produces: Fluoro-Lite dye; Tracerline leak detection; Tracer Products’ Fluoro-Lite/P and Fluoro-Lite/E To find a distributor near you, go to: http://www.tracerline.com/wheretobuy.html