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 310018R-2346 10mL Clear Rounded Bottom Headspace Vial, 23x46mm, 48,67 € 702263 20mL HS vial, clear, 22.5x75.5mm, RB, pk/100 22,66 € on sale 702927 PR N20-H, si, Sil bltr/PTFE, 45°, 3.0 49,28 €