Certified 9-425 screw top 2ml vials with patch for HPLC sampling. 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 . 4ml vials bonded PTFE screw top-Lab Autosampler Vial Common use snap HPLC sample vials Chrominex 2ml hplc sample vials in clear with