Round Bottom Boiling Flask with 19/22 Ground Joint, 250mL, Borosilicate 3.3 Glass

This Eisco round bottom flask features a 250mL capacity in heavy-duty Borosilicate 3.3 glass with a 19/22 standard taper ground joint for secure, leak-free connections to distillation setups, condensers, and other laboratory apparatus. The round-bottom design ensures uniform heat distribution for smooth boiling and reactions. Autoclavable at 121°C for repeated sterile use. Ideal for chemistry laboratories, educational demonstrations, and research requiring precision heating, distillation, and chemical reactions with 19/22 jointed glassware.