GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG) Back Catalog number: 9400787 Availability: In the manufacturer's stock Price on request - + Recommended 606050B-18M 17.5mmx0.060" Blue PTFE/Sil Septa for 18mm,pk/100 934,40 Kč on sale 606050-15 14.5mm x 0.060" Red PTFE/Silicone Septa, pk/100 899,00 Kč 70277 Septa N20 But r/PTFE gr, 50°, 3.0 546,00 Kč