Class A Heavy Duty Wide Mouth Volumetric Flasks with PTFE Stopper - 100mL (6cs)

·          Superior strength, durability and safety provided by heavy, uniform walls

·          Quick identification with large, permanent, easy-to-read markings

·          Flat interior bottoms for stirring with standard stir bars

·          Graduated to Class A volumetric tolerances

·          Standard Taper color-coded PTFE stoppers

·          Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements