Part No.: 221-15563-91
5mm ID Graphite Ferrule, captive type (graphite is contained within a metal band). Used with 5mm OD Glass Packed Columns on all models of GC, Injector and Detector Stainless Steel Column Adapters on all models of GC and also Injection Port Inlet Liners on GC17 and older model GCs. Either this Graphite ferrule or O-ring P4 is utilized together with joint set to install a glass packed column.