RACO Sigma Car Air Conditioner Stop Leak + U/V Dye Permanent Repair of Condensers, Connection Hoses, Evaporators, Gaskets & O-Rings 80g

RACO Sigma AC Stop Leak will permanently stop leaks in condensers, connection hoses, evaporators, gaskets and O-rings in systems that can hold 5 inches of vacuum for 25 minutes. It is not recommended for systems that lose more than 1 pound of freon per day or have leaking compressors. Sigma is 100% safe for all AC systems and will not damage the orifice tubes of recovery equipment.