The Red Angel A/C Stop Leak & Conditioner is a new revolutionary product that has the remarkable ability to repair and permanent seal leaks in the evaporators, condensers, gaskets & o-rings, and connection hoses. It contains no solid or particulate matter. It is non-clogging and will not harm your A/C system or recovery system and acts as an excellent lubricant. The Red Angel A/C Stop Leak & Conditioner bonds forming a chemical weld and sealing the leak and is safe and easy to use. Work's on cars, trucks, vans, or SUV's with R-12 or R-134a automotive systems. Contains 2 fl. oz.