24mm 40ml VOA vials factory Shimadzu-Lab Consumables Supplier. 24mm 40ml VOA vials manufacturer Aijiren Aijiren-Aijiren Vials for HPLC/GC 24mm Screw Glass Sample Vial. The optional capacity is 10ml 20ml, the specifications are: 22.5*46mm, 22.5*75.5mm, providing headspace vials in both colorless and The 20ml GC