Autosampler Vials 2ml with Caps, HPLC Vial,9-425 Clear Vial with . Color: BrownFeatures: 2ml sample vial are made of high quality borosilicic acid glass,low content of free ions,low coefficient of expansion and very high Chromatography Vials, Certified Clear Glass 9mm R.A.M.™ Vial . Chromatography Vials, Certified Clear Glass 9mm R.A.M.™ Vial, 12x32mm, and PP Open Top Cap, Royal Blue, Bonded PTFE/Silicone Slit Septa, with Graduated Spot GC Autosampler Vials