4 mL ngezikulufo zangaphezulu, ezibizwa nangokuthi i-waste vial noma i-wash vial, ngokuvamile esetshenziselwa ukugeza inaliti yama-autosamplers. Izitsha zethu ezingu-4ml zenziwa nge-Type I Borosilicate Glass, ehlangabezana nazo zonke izimfuneko ze-USP, JP, kanye ne-EP Pharmacopeia.
Imininingwane izindinganiso ezivamile zamazwe ngamazwe, ezihambisana ngokugcwele nama-autosamplers e-Aijiren, Worcester, Shimadzu kanye ne-Thermo Fisher. Umkhiqizo uhlanzekile, awunazo izintuli, akukho ukuhlanzwa okwengeziwe okudingekayo, futhi ungasetshenziswa ngqo emshinini.