Volumetric Flask, 5mlASTM, Class A Blue Graduation, Stopper
5ml capacity volumetric flask made of high quality, heavy duty 3.3 borosilicate glass. Conforms to ASTM E288 standards. Class A, tolerance ±0.020 ml. Single, blue graduation mark. Fitted with a solid glass, 9mm stopper. Flask stands 2.9" tall, and has a bottom diameter of 0.9".