Products: Refrigerant filling access check valve copper tube air conditioner refrigerator valves replacement.Easy Install: Refrigerator check valve liquid nozzle is easy to install, 4 different sizes of joints to meet most models of refrigerators(As your choice)Quick Connector: Check valve connector is easy to operate, detachable copper adapter, longer maintenance time.High Quality Material: Refrigerator check valve filling nozzle made from materials to ensure durability and long time use.Widely Used: Air conditioner refrigeration access valve used on many refrigeration and air conditioning systems to allow servicing.Specification:Material: BrassSize Chart:(As your Choice)Total Length: 74mm / 115mm / 119mm / 63mmAdapter Diameter: 6.3mm / 0.24inchPackage Includes:1pcs Air Conditioning valveNote:Please allow slightly errors due to manual measurement and different monitors.