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 70204.36 5ml Headspace vials N20, clear, 20.5x38mm, pk/100 21,47 € 70234.8 PR N20-H, si, Mld. But/PTFE gr, 50°, 3.0 42,22 € 5150BTP8-20 20mm Gold Magnetic Seal, 8mm Hole, 0.125" PTFE/Blu 74,45 €