GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG) Back Catalog number: 9400787 Availability: In the manufacturer's stock Price on request - + Recommended 604060-09 9mm x 0.040" PTFE/Silicone/PTFE Septa, pk/100 25,86 € 604070-10 10mm x 0.040" Red PTFE/Silicone w/Slit Septa 39,37 € V0622100 Septa,Red PTFE/White Silicone with slit ,11mm ,0.0 14,24 €