I-9mm Screw cap yenziwa ukusuka kwimiba ephantsi kakhulu, ukubonelela ngokuqina okugqibeleleyo kunye nokuxhathisa imichiza. Ukucocwa kwayo ngokuchanekileyo kuvumela ukutywinwa ngokulula nangokufanelekileyo, ukuqinisekisa ukuvalwa okuthembekileyo kwi-vials vials. I-Septa, eyenziwe ngezinto ezikhethekileyo, ibonelela ngee-intertus ezifanelekileyo kunye nokuhambelana noluhlu olubanzi lweesampulu, ukuqinisekisa iziphumo ezichanekileyo kunye nokubuyisa iziphumo kuhlalutyo lwe-HPPC.
