WIDE APPLICATION ---- AC Oil and dye injector with R134A and R1234YF low side port coupler quick snap to R134a R1234YF manifold to work on car AC systems alike. LARGE CAPACITY ---- A/C Oil and dye injector refrigerant tools with two snap quick coupler, 2 oz Push-in type with 1/4 oz/7.5ml---2oz/60ml.
