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Eisco Glass Volumetric Flasks with Plastic Stopper, Class A
Class A volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene stopper, and blue or white enamel markings.
Eisco Glass Volumetric Flasks with Snap Cap, ASTM Class A
ASTM Class A Volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene snap cap, and blue or white enamel markings.