Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended V0817100 20mm magnetic Bimetal seal w/Tan PTFE/white silic 40,69 € 603090-10 10mm x 0.030" Black Viton Septa, pk/100 49,81 € 604040-08 8mm x 0.045" PTFE/Red Rubber Septa, pk/100 13,27 €