8-Neck PTFE Reaction Vessel Lid, 200mm, 29/42 Outer, 19mm Lasentec, 104mm Overall Height. Reaction vessel lid is constructed entirely of PTFE. Low-form lid has eight openings: center neck 1 female NPT for PTFE standard taper adapter, side necks 1-1/2 female NPT, vertical for PTFE standard taper adapters, side neck 1 female NPT with 10 X 10 compound angle for PTFE compression fitting used with Lasentec Probe, side neck 1-1/2 female NPT, vertical for PTFE standard taper adapter, side neck 1-1/2 female NPT angled 10 for powder addition, and side necks 1/2 female NPT. Lid is supplied complete with listed PTFE standard taper adapters for center and vertical side necks, 19mm or 25mm PTFE compression fitting for 10 X 10 compound angle side neck, PTFE standard taper adapter for angled powder addition port, and two 1/2 male NPT PTFE plugs. For clamp see CG-141 or CG-141-T. For o-ring see CG-147.Lasentec is a registered trademark of Mettler Toledo.