GC Autosampler Vials. analysis is the autosampler vial. integrity are available from our Supelco® portfolio. Vials. 2.0 mL, Clear glass, 6.0 mm opening, crimp top. Autosampler vials, Supelco - VWR International. Vials are available in all capacities, materials like plastic vials or glass vials, and in a variety of colors to meet any ...