Glass Vacuum inlet adapter with 10/30 thermometer joint and 24/40 joint

This vauum inlet adapter is with 10/30 thermometer joint to accommodate a 10/18 or 10/30 thermometer joint,With 8mm serrated hose connection accommodating 6mm I.D.rubber tubing.With 24/40 inner join at bottom.
Laboy glass are all made of high-quality borosilicate glass and made by hand-blowing to ensure uniform wall thickness.