Pyrex Borosilicate Glass Class B 100ml Volumetric Flasks with Standard Taper Stopper - 12 Pack | Lab-Grade Flat Bottom Chemistry Glassware for Precise Liquid Measurements in Laboratories & Science Experiments

These 100mL PYREX economy flasks are designed for those that do not require the precision accuracy of our Class A capacity flasks. Capacity tolerances are twice those specified for Class A volumetric ware. The graduation line is sharp and permanent; large white block letters make inscriptions easy to read. Supplied with No. 13 Standard Taper glass stoppers. For replacement stoppers see No. 7650.