Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended V0821100 Septa, Transparent PTFE/Transparent silicone,20mm 700,00 Kč V0315100 11mm Silver Aluminum Seal with pre-assembled 11mm 550,00 Kč 606050B-18M/1000 17.5mmx0.060" Blue PTFE/Sil Septa for 18mm,pk/1000 7 600,00 Kč on sale