A/C Pro R134A AC Refrigerant, Net Content: 12.3 oz, Can, Liquid, Compositions: 1,1,1,2-Tetrafluoroethane, Polyalkylene Glycol Monobutyl Ether, Viscosity: 20 cPs, VOC Content: 97 %, Boiling Point: -26.5 deg C, Temperature Rating: 122 deg F, Specific Gravity: 1.225, pH Range: <7Contains approximately 12 oz of R-134a and approximately 0.3 oz of a fluorescent ultraviolet dyeDye glows to pinpoint small leaks within the A/C systemUV light and goggles used to locate leaksUse in vehicles with R-134a compatible A/C systems