Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 70278 N 20 septa Silicone white/PTFE, 3mm, pk/100 30,72 € V0814100 20mm Silver aluminum Seal w/Transparent PTFE/Trans 34,53 € 604040-09F 9mm x 0.040" PTFE/Butyl Rubber Septa 24,54 €