Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended V0815100 20mm Silver Aluminum Seal w/Tan PTFE/white silico 850,00 Kč 606XLB-11 11mm Diameter Green XLB High Temp, Low Bleed Septa 900,00 Kč V0222100 Septa,Red PTFE/White Silicone with slit,8mm ,for 300,00 Kč