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 702020 5ml HS vial N20, clear, 21.7x38.2mm, flat , pk/100 22,69 € 32020A-2375A 20mL Amber Headspace Vial, 23x75mm (for CTC PAL, P 57,28 € 322AXLN-2375 20mL Clear Headspace Vial, 23x75mm (for CTC PAL, P 56,75 €