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 310020-2346A 10mL Amber Headspace Vial, 23x46mm, Flat Bottom, p 50,94 € 702829 PR N20-H, si, But lgr/PTFE dgr, 50°, 3.0 29,92 € 702917 6ml HS Crimp vial N20, 22x38mm, clear, RB, pk/100 22,69 €