ADJUSTABLE R1234YF COUPLER: The Professional AC R1234YF Freon Charge Adapter includes a pair of high and low AC adapters along with individually replaceable brass adapters (1/4 inch female to 1/2 inch male)
HIGH and LOW PRESSURE ADPATERS: Blue LP adjustable low pressure quick disconnect connects to the auto AC suction service port and red HP adjustable high pressure quick disconnect connects to the auto AC exhaust service port
EASY OPERATION: 6-ball quick couplers snap into R1234YF coolant ports and have internal retractable pins that open clockwise and close counterclockwise for connecting and disconnecting Schrader valves
NO LEAKAGE DESIGN: All connection parts adopt precise fine thread design, and the interface is also equipped with high-quality thick rubber seals to ensure safety
ELABORATE DESIGN: Constructed with accurate snap lock and knurled grip ring for easy operation, removable pure copper adapter with o-ring seals for longer maintenance