GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG) Back Catalog number: 9400787 Availability: In the manufacturer's stock Price on request - + Recommended 70248 N 8 septa, Silicone white/PTFE, 1,3mm th., pk/100 338,00 Kč 606GPB-11 11mm Diameter General Purpose Blue Silicone Septa 2 365,00 Kč 606550T-08 8mm x 0.065 Tan PTFE/Silicone Septa 357,00 Kč