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 PYREX® and Corning® Glass and Reusable Plastic Product . Narrow mouth bottle with a cut-line graduation mark at 99 ±1 mL.