Enviro-Safe R-134a R12 R22 ProSeal, Leak Stop 1 4oz Can
Designed to repair minor leaks in the evaporator, condenser, connecting fittings and metal lines. ProSeal was designed to save the consumer the burden of costly repairs in the form of replacement parts and expensive service labor. The 4 ounce aerosol can contains enough ProSeal to repair small leaks in 3 or 4lb a/c systems.