2mL Autosampler Vials with Writing Area and Graduations, 9-425 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 Target DP™ 9-425 Glass Screw-Thread Vials, aijiren Tech | VWR Fill vials easily with the wide neck opening; requires 6 mm