I-Screw cap i-vials iphela indalo iphela. Xa i-cap ikhutshiwe, amandla omatshini afakwe isicelo esicinezela i-septum phakathi komphetho we-Vial kunye ne-cap. I-CAPS CAPS ibonelela ngetywina elihle kwaye libambe i-septum endaweni yokubhoboza. Akukho zixhobo zifunekayo kwiNdibano.