He 8mm ka wehe, 32mm ke kiʻekiʻe a me ka 11.6mm ka anawaena o lalo. Hoʻolako ʻia me ka 1.5mm PTFE\/silicone septum a me ka PP screw cap, loaʻa iā ia ka pono leak-proof a me ka laulima kemika ākea. Hoʻolālā ʻia no nā autosamplers GC\/HPLC, hiki i ke kaula pololei ke pani wikiwiki, me ka ʻole o ka mea hana, hoʻomaʻamaʻa i nā kaʻina hana laʻana.