Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 604040-13 12mm x 0.040" PTFE/Red Rubber Septa, pk/100 423,00 Kč V0521100 Septa,Red PTFE/White Silicone,12mm for 13-425Caps 450,00 Kč 606MS-9.5 9.5mm Diameter White PTFE/Off White Silicone Septa 443,00 Kč