Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 612550-24 22.5mm x 0.125 inch PTFE/Silicone Septa, pk/100 41,41 € 702931.1 Stop N20, Bromobut r, 45° 9,31 € 702070 N8 septa, Red Rubber/FEP, pk/100 10,35 €