4 ml dunƙule saman vials, wanda kuma ake kira vial vial ko wankewa vial, yawanci ana amfani dashi don wanke allurar autosampers. An kera vials na 4ML daga nau'in gilashin da na buga, wanda ya haɗu da duk USP, JP, kuma EP PASPASHEIA.
Bayanan bayanai suna da ka'idodi na gama gari na duniya, waɗanda ke da cikakken jituwa tare da Autosampers na Ajireen, daorsi, Shimadzu Fisher. Samfurin yana da tsabta, marufi mai ƙura-ƙasa, babu ƙarin tsabtatawa da ake buƙata, kuma ana iya amfani da shi kai tsaye akan injin