I-screw neck ye-18mm ye-screw cap yensimbi yenziwe ngensimbi kazibuthe, le cap isetshenziselwa kakhulu ukufaka uphawu lwe-18mm screw GC headspace vial. I-PTFE septa ingahlangabezana nama-puncture amaningi.
Izigqoko Zezibuthe Zensimbi zibekezelela amazinga okushisa aphezulu futhi zilungele ukusetshenziswa ne-CTC\/LEAP\/Gerstel autosamplers.