Super Premium UniversalPOE and PAG AC Oils Premixed with UV DyeDetect even the smallest leaks when used with any standard fluorescent leak detection lamp. Specially formulated for mobile air conditioning systems. These non-toxic, non-hazardous AC oils contain super-bright, OEM-approved Fluoro-Lite fluorescent dye and are safe to use with all types of refrigerants. In addition to exceptional R-134a miscibility, they also offer enhanced lubricity and stability with a proprietary additive package. Formulated with excellent anti-wear properties, these oils are perfect for preventive maintenance.