Aupoko AC Oil Injector Kit for R134A R22 R12 R1234YF Refrigerant System | 2OZ HVAC Dye Oil Injector with 1/4" SAE Connector, R134A Low Side Quick Coupler 13mm, R1234YF Low Side Quick Coupler 14mm. 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.
