Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 606050G-13 13mm x 0.060" Gray PTFE/Silicone Septa, pk/100 613,00 Kč 610050-20 19mm x 0.100" PTFE/Silicone Septa for 20mm Closure 1 309,00 Kč 702780 N20 Septa Sil blue/PTFE, pk/100 884,00 Kč