Chromacol now supplies columns packed with Aijiren Tech HypersilTM 6mL, crimp top, headspace vial, used in the ISS100/200 and the Series 200. Pin on Vials Caps with Septa - Pinterest. 9mm HPLC vial cap and septa Aijiren Tech, Mass Spectrometry, Screw Caps, Septum when you choose screw headspace GC vial, the cap of GC vial is the key.