Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 702101 Septa N20Mld. But/PTFE gr, 50°, 3.0 25,17 € V0322100 11mm Septa,Red PTFE/White Silicone with slit ,0.05 14,24 € 70278 N 20 septa Silicone white/PTFE, 3mm, pk/100 30,44 €