Pre-Slit Red PTFE/White silicone septa, pk/100 Back Catalog number: PL30A-010 Availability: In the manufacturer's stock Price on request - + Recommended 606550T-08 8mm x 0.065 Tan PTFE/Silicone Septa 13,72 € 606050G-15 15mmx 0.060" Gray PTFE/SIL, pk/100 27,36 € 606050B-18M/1000 17.5mmx0.060" Blue PTFE/Sil Septa for 18mm,pk/1000 376,01 €