This vial can be used in most autosamplers that currently use 12x32mm vials. The vase-like design of the Versa Vial™ system has the largest opening available for any autosampler. 2021-06-24. 1.5ml Standard Opening Flat Bottom WHEATON-Aijiren 2ml Sample STANDARD 1.5 ML HPLC VIAL HIGH RECOV