Vials, 10ml Headspace vial w/ 18mm Magn - store.shimadzu.com. Home → Gas Chromatography (GC) → Vials → Vials, 10ml Headspace vial w/ 18mm Magn Screw Cap & Silicone/PTFE Septa, Kit, round bottom, 100/pk View Larger Image Shimadzu Part Number: 220-97331-14 . septa caps with high quality for HPLC Vials Amazon-Aijiren