Volumetric flasks, 50 ml, A, CC, ST 12/21,

Volumetric flask, 50 ml, class A, conformity certified, ST12/21, PE-stopper, Diffico white, acc. to USP ST-hollow glass stopper, made from borosilicate glass 3.3, All volumetric flasks are delivered with batch number and have enclosed one batch certificate per package unit of the manufacturer