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 V0814100 20mm Silver aluminum Seal w/Transparent PTFE/Trans 850,00 Kč 702791 N22 septa Butyl red/PTFE grey, Th. 2.4mm, pk/100 702,00 Kč