网页round bottom gas chromatography vials with PTFE septa Shimadzu Scientific US Webstore - Vials, 10ml Headspace vial w/ 18mm Magn Screw Cap & Silicone/PTFE Septa, Kit, round bottom, 500/pk 2022 - 03 - 25 Home → Gas Chromatography (GC) → Vials → Vials, 10ml Headspace vial w/ 18mm Magn Screw Cap & Silicone/PTFE Septa, Kit,