Adjustable R134a Quick Coupler Adapter Adjustable R134a Adapters and AC Hose Fittings HP and LP Connectors for R134a Car AC System Evacuation Recharging

【R134a Qc 2 Pack】This set of high and low pressure couplers from Orion Motor Tech will let you quickly and easily service the R134a AC systems in both foreign and domestic cars., 【Easy Operation】These 5 and 6-ball quick couplers snap down onto R134 coolant ports, sealing with easy-grip knurled rings and opening valves using their top control knobs., 【Leak-free】Built-in O-rings ensure a complete hermetic seal, providing superior protection against wasteful refrigerant leakage., 【Long Service Life】Premium threading and materials ensure years of helpful use, with the aluminum and nickel-plated bronze construction offering high resistance to both wear and chemical corrosion., 【Method of Use】Connect bottoms with vehicle's R134A service port; connect the ACME adapter with the refrigerant hose; turn on/off the switch at top to turn it on/off.