Fluorescent Leak Detection Dye, Amount of Oil in System Up to 1.6 qt, Amount of Refrigerant Up to 4.9 lbs, Universal/POE Dye Type, Typical Application AC & R Systems up to 450 psi, Type of Compressor Oil Alkyl Benzene, Mineral Oil, Polyol Ester, Capsule Size 0.5 oz, Capsule Type Single Use