18mm septa na-eji naanị ihe kachasị mma iji hụ na ọrụ kwesịrị ekwesị, kpọmkwem maka ngwa GC, na-eme ka septum ghara ịdaba na vial n'oge injection sample.
Okpu ịghasa 18mm nke Aijiren na-eji PTFE\/ silicon septa wee tụpụta okpu ọla edo edo nkenke nwere oghere etiti 8mm. A na-ejikarị vial 18mm skru headspace.
