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, Waters, etc. You have requirements for 2ml Screw Cap Glass Vials, please