ND18Magnetic Screw Cap, Sil/PTFE (white/blue),1.5mm, pk/100 Back Catalog number: 18031414 Availability: In the manufacturer's stock Price on request - + Recommended 18031309 Magnetic Screw Seals ND18, Silicone blue/PTFE white, 1,3mm, pk/100 Price on request 320020-2375 20mL Clear HS Vial, 23x75mm, 20mm Crimp, pk/100 44,40 € 702805 COTO N20, si 5,28 €