Screw cap ND18, silver, closed, Sil/PTFE, pk/100 Back Catalog number: 18 03 1666 Availability: In the manufacturer's stock Price on request - + Recommended 702834 N20 bimetal cap,blue/silver, blue SIL/PTFE, pk/100 48,76 € 32020A-2375A 20mL Amber Headspace Vial, 23x75mm (for CTC PAL, P 59,10 € 702340 CC N20-H,si, Sil bltr/ct. PTFE, 45°, 3.0 36,22 €