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 70237.2 CC N20-H, si, Bromobut Stopper, 50°, ua 13,40 € 310020-2346A 10mL Amber Headspace Vial, 23x46mm, Flat Bottom, p 50,94 € 702804 N20 Al crimp cap, silver, center hole, pk/100 3,26 €