Autosampler Vials 2ml with Caps, HPLC Vial,9-425 Clear Vial with . Clear vial with large writing patch for sample idification and white printed graduations in 0.5ml increments. 2ml Clear autosampler vial,12mm Diameter,32mm Lab Autosampler Vials - Amazon.com. Results 1 - 24 of 1000+ 2mL Autosampler Vials with Caps,HPLC Vials,9-425 Amber Glass Vial with Blue Screw Caps/Writing Patch/Graduation,White PTFE & Red Silicone