PYREX 2mL Class A Volumetric Flask
Corning These 2mL Class A PYREX(r) volumetric flasks are test tube shaped and do not have snap-caps. The graduation line is sharp and permanent. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694 for volumetric ware, ASTM E-542 for calibration of volumetric ware and ASTM E-288 for volumetric flasks. - COG