PYREX 25mL Economy Volumetric Flasks, Glass Standa

Corning These 25mL PYREX(r) 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. 9 Standard Taper glass stoppers. For replacement stoppers see No. 7650. - COG