Serialized and Certified Volumetric Flask, Heavy Duty, Wide Mouth, Class A, Odd Sizes, As Per USP Standards

ASTM E288 specification, Class A serialization requirements are met. Borosilicate 3.3 glass was used to make this product. Wide-mouth gauge vials facilitate access to pipettes. Thick, uniform walls provide superior strength, durability and safety. Large, persistent, easy-to-read markings allow for quick identification. Calibrated to contain Volumetric tolerances have been graded to Class A. Stir with normal stir bars on flat interior bases.