Master Leak Shield up to 5.2KW

Master Leak Shield up to 5.2KW Easy to use! Stops leaks in metal and rubber automotive air conditioner parts including evaporators, condensers, o-rings, gaskets and hoses.For use in R134a, HFO-1234yf, hybrid and electronic A/C systems.Includes o-ring conditioner, proprietary anti-wear and anti-oxidant additives.Adds 1 oz. (30 ml) leak stop with U/V leak detection dye.Patented delivery system, does not contain refrigerant.Safe, does not contain harmful polymersHFC Free AerosolUS Patent No. 8,074,009, other US and foreign patents pending