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 5150-20 20mm Silver Seal, 0.125" PTFE/Silicone, pk/100 1 233,00 Kč 18091307 20ml Thread Vial ND18, 75.5 x 22.5mm, clear, rounded bottom, pk/100 Price on request 320020-2375A 20mL Amber Headspace Vial, 23x75mm, Flat Bottom, 2 1 142,00 Kč