hplc vials | Sigma-Aldrich 27261-U ; black polypropylene hole cap, thread for 8-425, PTFE/silicone, Top Hat (septa and closure designed to fit together tightly), for use with 2 mL vial, 4.6 mm opening, pkg of 100 ea Chromatography Vials, Caps, Septa & Inserts, Tubes, Crimper 1.5mL 8-425 Screw Neck Vial ND8 1.5mL 9mm Short Thread Vial ND9 1.5mL