Nature PTFE/Nature silicone septa 22 x 3mm, pk/100 Back Catalog number: S228 Availability: In the manufacturer's stock Price on request - + Recommended 604070-09 9mm x 0.040" Red PTFE/Silicone w/Slit Septa 37,67 € 604050-09 9mm x 0.040" PTFE/Silicone Septa, pk/100 18,66 € 606GHT-17R 17mm Diameter Red Guide Hole High Temperature 171,67 €