PTFE Silicone Septa: 9×1mm Septa, Aluminum Cap Septa, Magnetic Screw Cap Septa Bonded Cap: septa glued onto the cap Autosampler Vials: 2ml(12×32mm) and 4ml(15×45mm) Chromatography Vials GC Vials Screw: from 6ml to 20ml Screw Headspace Vials with magnetic screw caps GC Vials Crimp: from 6ml to 20ml Crimp Headspace Vials with aluminum crimp caps