18mm Magnetic Screw Cap, blue SIL/PTFE, pk/100 Back Catalog number: 18 03 1309 Availability: In the manufacturer's stock Price on request - + Recommended 5185-5863 Blue screw cap,PTFE/sil septa,500pk 165,21 € 123,91 € 5191-8121 Vial, screw,2ml,PP,cert,100PK 22,39 € 16,79 € V0204100 Vials only,2ml ,12×32mm,8-425 Amber Glass,Screw to 11,97 €