GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG) Back Catalog number: 9400787 Availability: In the manufacturer's stock Price on request - + Recommended 5004-12 12mm Chlorobutyl/Siliconized Versa Vial ™ Plug 17,48 € 606040-13 13mm x 0.060" PTFE/Red Rubber Septa 17,52 € 604550-08 8mm x 0.045" Red PTFE/Silicone Septa, pk/100 15,23 €