Nature PTFE/Nature silicone septa 22 x 3mm, pk/100 Back Catalog number: S228 Availability: In the manufacturer's stock Price on request - + Recommended 606550LB-11R 11mm Diameter Red Low Bleed General Purpose Septa 28,41 € V0322100 11mm Septa,Red PTFE/White Silicone with slit ,0.05 14,24 € V0921100 Septa, Blue PTFE/white silicone,17.5mm ,0.06″thic 19,33 €