Parts: Cap & Septa. Suitable for Vial Type 2ml 9-425 vials. Cap Type Screw Top. Filter 2ml Autosampler Vials with Writing Area and Graduations, 9 . Filter 2ml Autosampler Vials with Writing Area and Graduations, 9-425 HPLC, Screw Cap, White PTFE & Red Silicone Septa, 100 Pcs. GC Autosampler Vials