Aijiren Vial Autosampler HPLC 4.0mL Aer Vial, 15x45mm, 13 . 4ml Aer autosampler vial,15mm Diameter, 45mm Height, 13-425 screw top Standard Autosampler Vial for HPLC & GC Chromatography, vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results