FJC Universal Pag with Fluorescent dye quart. Compatible with R134a, R12, Mineral, Ester, Paraffin & PAG oil. Can be detected using a standard UV light. Only a full system charge during normal service provides maximum fluorescing for mobile a/c system. Compatible with R134a and R13 Compatible with Mineral Ester Paraffin and PAG oils Can be detected using a standard UV light Saves time over existing methods of dye injection Brand FJC Model FJC Item Weight 2.07 pounds Manufacturer FJC Item model number 2480 Product Dimensions 5 x 9.5 x 2 inches Manufacturer Part Number 2480 Is Discontinued By Manufacturer No