High quality: High pressure, oil-resistant, durable, wear-resistant, -resistant, do not harden
Details: 1 2 oz A/C Oil Injector R134a R12 R22; has a 2 oz. capacity and 1/4SAE shut-off adapter
Compatible: Dye Injector can be used with manifold gauge set or any evacuation or recharging equipment
Practical: This injector may be used to add most A/C additive to our system from oil, dye, stop leak, etc;suitable for filling up the automobile air conditioning refrigeration system of R134A(need to get help from a transfer tool), R12, R22
Convenient: It is no need to unhitch the refrigerant inside the system (the system does not need in vacuum condition); the oil tank can be unscrewed.Refrigeration oil can be filled into the automobile air conditioning