Similar to CG-458, but with three stems sealed 90º apart. Solid glass plug has a "T" shaped bore so that any two or all three arms can be connected at one time. Plug is precision ground and hand-lapped with corresponding numbers on the barrel and plug.
Stopcock, T-Bore, Glass Plug, Pressure, 2mm Bore, 17/40 Plug Size, 8mm OD Sidearms