Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 607550-13 13mm x 0.075" Red PTFE/Silicone Septa, pk/100 606,00 Kč 606MS-11 11mm Diameter White PTFE/Off White Silicone Septa 519,00 Kč 702780 N20 Septa Sil blue/PTFE, pk/100 884,00 Kč