R134a R22 Refrigeration Refrigerant Handling Charging Tool Vacuum Pump Port Connection HVAC Service Adapters: 1/4 Flare X 1/2 Acme Car AC Home AC Tool FJC 6014 + 6015
a pair of adapters: 1/4 Male flare X 1/2 female ACME and 1/2 male ACME X 1/4 female flare. For charging service tools adaption between R22 system and R134a systems. A pair for the price of one, yes they are a reverse, just in you are covered either way you want to adapter your service tools like vacuum pump, manifold gauge and can tap etc.