Wholesales 2ml autosampler vials with cap for hplc . Autosampler Vial 2ml with Caps, HPLC Vial, 9-425 Amber. 2ml amber autosampler vial,12mm Diameter,32mm Height,9-425 screw top.Our vials with caps are widely used in standard HPLC and GC applications.The vials can be used on all common autosamplers due to their technical geometry