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 24,62 € 612550-24 22.5mm x 0.125 inch PTFE/Silicone Septa, pk/100 45,12 € 604040-08 8mm x 0.045" PTFE/Red Rubber Septa, pk/100 14,02 €