AutoWanderer Tool R134A AC Oil Dye Injector Kit with 2 Quick Couplers 2 Oil Checkers 2oz Measuring Cup

【R134A AC Oil Injector Kit】- Capacity：1/4oz/7.5ml - 2oz/60ml. The oil dye refrigerant injector is supplied with hoses and couplers for both R134a. 【Widely used for charging A/C systems】- 1.Addition of oil to the system 2.Re-oiling the system after a change 3.Add Scanner Fluorescence Solution 4.Injection of additives into the system 【Easy to use】- Filling the A/C system is easy with the oil dye injector. First, start the air conditioning and set it to the maximum cooling setting, then connect the injector to the low side. The next step is to use the measuring cup to measure the amount of paint or oil you need, then pour it into the body of the pump and tighten the cap. Finally, turn the knurled knob and the piston will gently push the paint or oil into the A/C system. 【All steel valve body, air tight and long lasting】- The body and cap are made of solid aluminum with an "O" ring seal. One end is a 1/4″ male fitting. The other end is fitted with a ball valve to allow connection to the a