Nature PTFE/Nature silicone septa 22 x 3mm, pk/100 Back Catalog number: S228 Availability: In the manufacturer's stock Price on request - + Recommended 702481 Septa N8, Sil white/PTFE blue, pk/100 20,95 € 702D20TB Septa N20 Butyl dark gray/PTFE, pk/100 36,94 € V0004-D Seal G13 for 4mL vials PTFE/silicone, pk/100 Price on request