R12 R134A R22 Air Conditioning Car Oil Injection Dye Injection Tool 2 Ounce 1/4" Pure Liquid Oil Coolant Filler Tube Car Accessories

Features:
Dye injector can be used with manifold gauge set or any evacuation or recharging equipment.
Has a 2 ounce capacity and 1/4SAE shut-off adapter.
This injector may be used to add mostair conditioning additive to our system from oil, dye, stop leak, etc.
This product is pure liquid refrigerant oil filling tube, fine quality, has a long service life.
It is no need to unhitch the refrigerant inside the system (the system does not need in vacuum condition).
Suitable for filling up the automobile air conditioning refrigeration system of R134A (need to get help from a transfertool), R12, R22.
The oilcan can be unscrewed.
Refrigeration oil can be filled into the automobile air conditioning.
High pressure, oil-resistant, practical, wear-resistant, corrosion-resistant, do not harden.