ITEM NAME:2pcs R410A R22 Refrigeration Charging Adapter for 1/4" Safety Valve Service 3C Specification: High-end CNC machine tool processing, a number of parts of the connection can ensure that it is not leaked. Activities thimble can accurately control the air.2 x Refrigeration Charging Adapter. High-end CNC machine tool processing, a number of parts of the connection can ensure that it is not leaked. Easy to use. Special feature: connector. Width: approx.