GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG) Back Catalog number: 9400787 Availability: In the manufacturer's stock Price on request - + Recommended 606550B-08 8mm x 0.065" Blue PTFE/Silicone Septa 21,78 € 604040-10 10mm x 0.040" PTFE/Red Rubber Septa 16,82 € 606050G-18 18mm x 0.060" PTFE/Sil Septa, pk/100 33,64 € on sale