2020/7/30 · Choose certified bottles for full compatibility with aijiren auto samplers for best results. 2ml Screw Cap Glass Vials, 12mm Diameter, 32mm Height, 9-425 screw top. Our lid bottles are widely used in standard HPLC and GC applications. aijiren, HTA, Shimadzu, Thermo, Varian, aijiren Technology, etc.