Aupoko AC Oil Dye Injector Kit, A/C Oil Dye Injector Tools with R134a Adjustable Quick Coupler, R410 Mini Split Adapter, Valve Core Remover and Oil Checkers for R134A R1234YF R410A Refrigerant System

【AC Oil Injector Kit】Our ac oil injector tool kit includes : 1pcs ac oil dye injector, 1pcs r1234yf low side pressure adapter, 1pcs r134a low side pressure adapter, 1pcs r410 adapter, 1pcs valve core remover, 2pcs oil checkers.. 【R1234yf R134a AC Oil Injector】Professional automotive air conditioner compressor A/C dye oil injector with capacity 1/4 oz/7.5ml---2oz/60ml. It does not depend on a working compressor to get the oil or fluorescent dye into the system, one shot may cure and save a sickened compressor caused by low oil.. 【AC Refrigerant Adapters】R134A low side quick coupler with 1/4""SAE male x 13mm female, R1234yf quick coupler with 14 mm female x low pressure 13mm R134A quick coupler, R410a mini split adapter with 5/16""SAE Female to 1/4""SAE Male.. 【Extra Tools】2 oil checkers and 1 valve core remover, which will help you to be more aware of the state of health of your air conditioning system.. 【Easy to Use 】There are three parts, oil cylinder, check valve quick connector, manufactured for quick and easy installation. Firstly, check valve screwed onto cartridge and tightened. The inner and outer cylinders are tightened clockwise, and then a little 1/4 SAE threaded inner core is used to discharge a little air inside the blue tube.