Magnetic Screw Seals ND18, Silicone blue/PTFE white, 1,3mm, pk/100 Back Catalog number: 18031309 Availability: In the manufacturer's stock Price on request - + Recommended 5150-20 20mm Silver Seal, 0.125" PTFE/Silicone, pk/100 49,00 € 18080913 18mm PE Snap Cap, 19.8 x 5.2mm, transparent, closed top, pk/100 Price on request 702866.2 Vial N18-10, SC, a, 22.5x46, rounded 31,66 €