Pyrex Borosilicate Glass 10ml Volumetric Flask with Standard Taper Stopper - Heavy Duty Lab Glassware for Chemistry Experiments, Scientific Research & Classroom Use (Pack of 6)

These 10mL PYREX EZ Access wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. The heavy duty, wide mouth facilitates filling and mixing. Supplied with interchangeable No. 13 Standard Taper PYREX® ground glass stopper. For replacement stoppers, see No. 7650. The graduation line is sharp and permanent.