Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 606050-13 13mm x 0.060" Red PTFE/Silicone Septa, pk/100 561,00 Kč V0822100 Septa, Tan PTFE/white silicone,20mm ,0.125″thick 700,00 Kč 702791 N22 septa Butyl red/PTFE grey, Th. 2.4mm, pk/100 702,00 Kč