Nature PTFE/Nature silicone septa 22 x 3mm, pk/100 Back Catalog number: S228 Availability: In the manufacturer's stock Price on request - + Recommended 604050-09 9mm x 0.040" PTFE/Silicone Septa, pk/100 18,63 € 606050-15 14.5mm x 0.060" Red PTFE/Silicone Septa, pk/100 34,54 € 604075-08 8mm x 0.040" Red PTFE/Silicone/Red PTFE w/Slit Sep 38,64 €