Aluminium crimp cap, ND20 with central hole, 10 mm and septa Supplier: VWR Collection Description: VWR®, N/A, Chromatography vial closure, Aluminium, Ø (mm): 20 mm, Type: Aluminium, central hole 10 mm, Hardness: 60° shore A, Septum: Natural rubber red-orange/TEF transparent, Thickness: 1,3 mm