Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 70261 Septa N8 PTFE w, 53°, 0,25 3,44 € 610050-20S 20mm x 0.100" PTFE/Silicone Septa for 20mm Aluminu 40,65 € 604040-10F 10mm x 0.040" PTFE/Butyl Rubber Septa 14,78 €