Septa, PTFE/White Silicone, 8mm for 8-425, pk/100 Back Catalog number: V0221100 Manufacturer: Labstore Availability: 4 weeks Price on request - + Recommended V0814100 20mm Silver aluminum Seal w/Transparent PTFE/Trans 34,59 € V0114100 Blue open top Caps with pre-assembled 9mm septa, 20,35 € 610050-20 19mm x 0.100" PTFE/Silicone Septa for 20mm Closure 50,29 €