‎FANOVO

AC Oil Injector for R1234YF, R134A, R410A, HVAC Dye Oil Injector with 1/4″ SAE Connector, 2 OZ Refrigerant Hand Turn AC Oil Injector Tool, for R1234YF R134A R410A Refrigerant System Large Capacity : Our HVAC Dye Oil Injector is 2 oz Push-in type. 1/4 oz/7.5ml—2oz/60ml. besides, ac oil and dye injector built-in 1/4" SAE connector which has backflow prevent function....