[Package Included] 1 high-pressure side A/C service valve, 1 low-pressure side A/C service valve, 4 sealing caps, 3 R12 valve cores, 3 R134a valve cores, 1 large valve core, 1 small valve core, 1 double-head valve core removal tool. [High-quality Materials] The air conditioning valve core kit is made of high-quality materials, high-quality accessories, to solve the problem of refrigerant valve core leakage. Waterproof, impact-resistant, oil-resistant, corrosion-resistant. [Function] High/low-side air conditioning port "poppet" type high-flow service valve, "ball" type poppet valve installed in the same valve as OE style (the valve cannot be repaired separately from the port), all seals required to complete the work. [Compatible] Compatible with R12 R22 and R134a refrigerants, suitable for replacing refrigerant valve core leakage. [Wide Application] The car air conditioning valve core is suitable for most cars, very suitable for mechanics and air conditioning repair shops.