... part or without part check valve,access valve,charging valve , refrigeration part,HAVC partSize:1/8",3/16",1/4",5 ... according to customer's requirements, such as skinpacking,plastic bags,etc.Access valve,Refrigeration parts for refrigerator,air conditioner,and auto air ... reply you as soon as possible. 1/8" Single Skinpacking Refrigeration Copper Check Valve