Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 9400787 GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG) Price on request 606XLB-11 11mm Diameter Green XLB High Temp, Low Bleed Septa 38,02 € 606550-08 8mm x 0.065" Red PTFE/Silicone Septa, pk/100 15,27 €