Volumetric flasks, 20 ml, A, CC, ST 10/19,

Volumetric flask, 20 ml, class A, conformity certified, ST10/19, PE-stopper, Diffico white, acc. to USP amber glass, 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