This anti-splash adapter with distilling trap is used to Placed above flask to prevent carry-over of reactions . With 24/40 Top outer and 24/40 inner Bottom Joint Capacity of 100ml. Laboy glass are all made of high-quality borosilicate glass and made by hand-blowing to ensure uniform wall thickness. Laboy Glass anti-climb is made of high-quality borosilicate glass and annealed at 800 degree Celsius , can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling. All the jointed glassware products in Laboy are made by hand-blowing, heavy wall design, for the interchangeable joints, they are finely grounded both by machine and hand to ensure leak free. All the glass joints has a standard 1: 10 taper, it can fit any glassware with joint which has the same taper and same outside diameter as long as the apparatus to which they are attached does not interfere. For example, an adapter with 14/20 male joint will fit into a 14/35 flask.