Magnetic Screw Seals ND18, Silicone blue/PTFE white, 1,3mm, pk/100 Back Catalog number: 18031309 Availability: In the manufacturer's stock Price on request - + Recommended 702128 PE-Cap N20-bevT-H, tr, NR or/TEF,45°,1.3 25,87 € 70234.8 PR N20-H, si, Mld. But/PTFE gr, 50°, 3.0 41,39 € 31020A-2346A 10mL Amber Headspace Vial, 23x46mm (for CTC PAL), 53,21 €