10PCS HVAC Service Access Valve，Schrader System Vacuum 4.72″ Copper Filling
ANTFEES 10PCS HVAC Service Access Valve，4.72″ Filling Access Valves 1/4″ SAE x 1/4″ OD x 4″ Stem AC Refrigeration Kit. Widely used in the refrigerant system. Car and air conditioning refrigerant filling, refrigerator filling.