Headspace vials convenience kit (clear glass, bevel top, round bottom), pkg of 100 volume 10 mL, vial O.D. × H × I.D. 23 mm × 46 mm × 12.5 mm, PTFE/butyl rubber septum: 27306: Headspace vials convenience kit (clear glass, bevel top, round bottom), pkg of 100 volume 20 mL, vial O.D. × H 23 mm × 75 mm, PTFE/silicone septum: 27307