Autosampler Vials, Caps,. Autosampler Vials 2ml with Caps, HPLC Vial,9-425 Clear - Hungary. 2ml sample vial are made of high quality borosilicic acid glass,low content of free ions,low coefficient of expansion and very high chemical resistance. 100 Pcs Membrane Solutions Autosampler Vials, 2mL HPLC