Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 606550LB-11R 11mm Diameter Red Low Bleed General Purpose Septa 28,41 € 606550BTO-17 17mm Diameter, ThermoRed High Temp Low Bleed GC Se 36,53 € 606070-13 13mm x 0.060" PTFE/Silicone w/Slit Septa, pk/100 42,09 €