Jul 17, 2019 · 2mL Autosampler Vials with Writing Area and Graduations, 9-425 HPLC, Screw Cap, Blue PTFE & White Silicone Pre-Slit Septa, 100 Pcs: Amazon.com: Industrial & Scientific 2mL Autosampler Vials with Writing Area and Graduations, 9-425 HPLC, Screw Cap, Blue PTFE & White Silicone Pre-Slit Septa, 100 Pcs: Amazon.com: Industrial & Scientific