I-aijiren sampula vial inokusebenza okuhle kakhulu kokubekwa uphawu, okungagwema ngempumelelo ukuhwamuka kwesampula. I-vial kanye ne-aluminium cap ehambisanayo eyi-11 mm ingaba kalula futhi ngokushesha kuhlanganiswe ngokushesha nethuluzi lokucopha lomhlathi. I-vial ingamelana nokushisa nengcindezi, futhi nayo ingasetshenziselwa ukusabela kwamakhemikhali. Ikakhulu ama-vials anama-cap avulekile amhlophe kanye ne-ptfe obukhulu
