0.75 Diameter, Open-End Pyrex Tube / NW16 KF ISO Flange Non-Magnetic

7740 Pyrex Glass Adapter, Non-Magnetic, 0.75 Diameter with open (glass) end and mounted on NW16 KF ISO Flange. Glass tube is hermetically sealed to a stainless steel sleeve and welded into a standard stainless steel KF flange.