Septa, PTFE/White Silicone, 8mm for 8-425, pk/100

9mm x 0.040" PTFE/Silicone/PTFE Septa, pk/100

10mm x 0.060" Red PTFE/Silicone w/Slit Septa

20mm x 0.100" PTFE/Gray Butyl Rubber Septa for 20m