A/C Leak Detection Dye, .25 Oz, Size/Net Weight .25 Oz, Green Tint, Tube, Clear Liquid Appearance, Boiling Point Greater Than 570 F, Flash Point Greater Than 430 F, 0.85 to .089 Specific Gravity, For Use With R134a, R12, R22, SAE J-2297 Standards, Package Quantity 12 Air Conditioning ChemicalsPAG, Ester, and Hybrid oils are synthetic lubricants. PAGs are double end-capped for resistance to moisture. Biodegradable and environmentally friendly. Dyes meet SAE J2297 standards and do not contain solvents. Fluorescent properties make finding leaks easier. Leak stops are proven to be safe and effective at stopping small leaks. They do not contain polymers and will not harm A/C systems, components, or equipment.Manufactured in compliance with ISO 9001 quality standards. Meet OEM performance specifications.