Filter 2ml Autosampler Vials with Writing Area and Autosampler Vial, 2ml HPLC Vial,9-425 Amber Vial with Blue Screw Caps,Writing Patch,Graduation,White PTFE & Red Silicone Septa Fit for LC Sampler(300 pcs,Brown) B081Y9B5CB $141.12 $82.99 Color: Brown Features: 2ml sample vial are made of high quality borosilicic acid glass,low content of free ions,low coefficient of expansion and very high