Pyrex Borosilicate Glass Volumetric Flask 10ml - Heavy Duty Class A Lab Glassware with Wide Mouth & Standard Taper Stopper (Pack of 6) - Perfect for Chemistry Experiments, Laboratory Measurements & Scientific Research

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.