I-Snap Cap yenziwe nge-polypropylene, futhi ingxenye ephakanyisiwe ye-Cap ikulungele kakhulu ukunamathela emgodini we-Vias ukuqinisekisa ukulungiswa. I-Septa yenziwe nge-Silicone kanye nenhlanganisela ye-PTFE enganamatheli. Ithambile futhi kulula ukuyibhoboza. Ifaneleka kakhulu ukwenza amasampula okuzenzakalelayo. Uhlangothi lwe-PTFE ku-Septa lubhekene nengaphakathi le-Vias, luvala ngaphandle kokuthinta isampula.

I-Cap of Closures esithombeni ine-Center Hole, elungele i-Autosampler ukwenza isampula yenaliti. Uma ukhathazekile ngobunzima bokusampula inaliti yomjovo othomathikhi, ungacabanga nokuthenga i-pre-slit septa. Lolu hlobo lwe-septa luhlukaniswe lwaba yi-cut kanye nesiphambano Izinhlobo ezimbili zokusika ziwusizo ikakhulukazi ezinalitini zokujova eziyindilinga ezibuthuntu.