Vial yana da diamita 18mm, wanda shine daidaitaccen girman don vialspace vials. An tsara shi don riƙe samfuran gas ko ruwa don bincike. Abubuwan da ke cikin manyan gilashin borosilicable ke da ƙarancin gilashin fadadawa tare da ƙarancin fadada, babban ƙarfi, ƙarfi, babban ƙarfin hali, da kwanciyar hankali, da kwanciyar hankali. Headpace vials sun dace da bincika tsarin kai na tururi da gas. Ana amfani da vialspace mai kyau a cikin tsarin cututtukan gas-gas. A lokacin da ke gano clatile mai narkewa ko kuma mawuyacin hali tare da manyan wuraren tafasasshen, muna buƙatar zafi su don tilasta su a saman. A cikin wannan tsari, tunda samfurori masu ruwa suna ƙasa, kayan a cikin saman gas za a iya auna ba tare da taɓa ruwa a cikin samfurin vial.
