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 € 320020-2375 20mL Clear HS Vial, 23x75mm, 20mm Crimp, pk/100 42,01 € 322AXLN-2375 20mL Clear Headspace Vial, 23x75mm (for CTC PAL, P 56,75 €