Ezi zi-20mm ze-almm cruinum ze-aluminium zihlala zenziwe nge-aluminium, eyinto elula kwaye ilula. I-Aluminiyam ibonelela ngeepropathi ezifanelekileyo zokutywina, ukuqinisekisa ukuthembeka kwesampulu ngaphakathi kwe-vial. I-cap ibonisa uyilo oluphezulu lwe-crust, oko kuthetha ukuba linokuqhotyoshelwa ngokukhuselekileyo kwi-vial ngokusebenzisa isixhobo sokukhusela. Le nkqubo ibandakanya ukuqhekeza i-cap ejikeleze intamo ye-vial, edale itywina eliqinileyo nelibonakalayo. Uyilo nge-9.5mm Hole embindini wesigqubuthelo unokusetyenziselwa uhlalutyo lweentloko. I-GC esemgangathweni ye-GC kunye neebhotile ze-HPLC zinokusetyenziselwa i-autosampler kunye nokugcinwa kwesampulu. I-20mm ye-cruminum ye-aluminium ihlala ingena ngemibala eyahlukeneyo, enokunceda ekufundisweni kwesampulu, umbutho, okanye ukwahlula iimveliso ezahlukeneyo okanye izisombululo.
