The FJC 2447 DyEstercool AC Oil is a 1 gallon container of 100 viscosity ester refrigerant oil blended with fluorescent UV dye for fast leak detection. Designed for universal compatibility, it works with R-12, R-134a, and systems retrofitted from R-12 to R-134a. The oil is miscible with mineral, ester, paraffin, and PAG oils, making it suitable for a wide range of service conditions. It provides strong lubrication while helping prevent acid formation and corrosion inside the AC system. Ideal for professional technicians performing high volume AC maintenance and repair.
