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 70234.9 CC N20-H, si, Mld. But/PTFE gr, 50°, 3.0 38,46 € 32020AX-2375 20mL Clear Headspace Vial, 23x75mm (for CTC PAL, P 53,42 € 18091306 10ml Thread Vial ND18, 46 x 22.5mm, clear, rounded bottom, pk/100 Price on request