Nature PTFE/Nature silicone septa 22 x 3mm, pk/100 Back Catalog number: S228 Availability: In the manufacturer's stock Price on request - + Recommended 702780 N20 Septa Sil blue/PTFE, pk/100 35,91 € 9230508 Deutsch & Neumann Silicone Rubber Stoppers 8 x 12 x 20mm Price on request V0315100 11mm Silver Aluminum Seal with pre-assembled 11mm 22,34 €