Headspace vial convenience kits, Chromacol ™. Supplier: CHROMACOL. Description: Chromatography vial, Chromacol ™, N/A, Glass, 20-CVST3-CP, Convenience kit, includes clear glass headspace crimp vial with beveled edge, round bottom and silver aluminium crimp cap with 8 mm hole, 20,00 ml. ,CRMA20-CVST3-CPEA,CRMA20-CVCBT3-CPEA,CRMA20-HSVST201-CPEA.