9mm Septa, Red PTFE/White SIL with slit, pk/100

GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG)

10mm x 0.050" Red PTFE/Silicone Septa, pk/100

19mm x 0.100" PTFE/Silicone Septa for 20mm Closure