Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 702D20TB Septa N20 Butyl dark gray/PTFE, pk/100 910,00 Kč 606550GR-11 11mm Diameter Advanced Green General Purpose Septa 1 458,00 Kč 610050-20 19mm x 0.100" PTFE/Silicone Septa for 20mm Closure 1 239,00 Kč