Feature(may vary by option.)

●An excellent time-saver -- Applicable for adding all types of oil (POE or mineral oil) to the system，injecting oil after replacement，adding scanner fluorescent solution for leak monitoring，adding additives to the AC system.
●FOR R134A & R1234YF Systems -- The Professional Grade Oil Dye Injector Kit is compatible with both R134A and R1234YF A/C systems and is designed to inject oil into the A/C system. Separate R134A and R1234YF snap-on couplings are included in this kit. No need to buy multiple tools for different systems!
●Wide capacity range:1/4oz/7.5ml - 2oz/60ml -- Scale is laser engraved, clearly marked and easy to read. Oil Checkers will inform the A/C system of the existing oil level, and measuring cups will measure the volume of oil being injected.
●A simple way to add oil to your A/C system! -- This is an injector that forces the oil into the system by twisting the outer tube into place. To get started, start up the air conditioning system and set it to maximum cooling. Then add the required oil to the aluminium body, connect the low side check valve, open the safety valve, turn the handle clockwise and screw the plunger in until all the oil is injected.
●WHAT YOU GET -- 1 x professional grade AC oil and paint injector with 2oz capacity, 1 x R1234YF low side quick coupler with valve, 1 x R134A low side quick coupler with valve, 2 x oil checkers, 1 x 2oz measuring cup and 1 x instruction manual.

[R134a+R1234yf+R410a]