An yi hatimin hatimin da aka yi da fim mai numfashi da hatimin shigar da zafi (HIS) ta hanyar waldi na ultrasonic ko zafi mai zafi, wanda ke samun cikakkiyar tasirin "numfashi kuma babu yabo".Hatimin da aka fitar yana da ƙira mai sauƙi, kyakkyawan yanayin iska da kyakkyawan juriya ga surfactants.An ƙirƙira wannan samfurin don hana kwandon cika (kwalba) daga girgiza ko sanya shi a yanayin zafi daban-daban don samar da iskar gas bayan cika wani ruwa, wanda hakan ya sa kwandon ya lalace ko hular kwalbar ta tsage.

Vented liner shine mafi kyawun aikin iska a cikin masana'antar, zaɓuɓɓukan huɗawa da yawa suna cika buƙatun ayyuka daban-daban.Ana ba da shi a cikin kumfa guda ɗaya ko kakin zuma guda biyu da aka ɗaure da ɓangaren litattafan almara.

Vented liner ya dace da PET, PVC, PS, PP, PE ... kwalabe na filastik da kwalabe na gilashi, kuma ana amfani dashi galibi don abinci, kayan shafawa, magunguna, magungunan kashe qwari, sinadarai, marufi na samfuran kayayyaki.