Description: Chromacol , N/A, Chromatography vial closure, Aluminium, Ø (mm): 20 mm, Red aluminium two part crimp cap and 20 mm tin plate, with silicone/PTFE liner, Type: 20-MCBCR-ST3 ,548-2212EA,548-1192EA,548-0269EA,548-1198EA,548-0268EA,548-1189EA,548-1195EA