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 5156TP8-20SP 20mm Gold Magn. Seal, 8mm, 0.060" PTFE/Sil,pk/100 1 753,00 Kč 70208.36 50mL HS Crimp vial N20, 31x101mm, FB, pk/100 1 604,00 Kč 327020-3060 27mL Clear Headspace Vial, 30x60mm (for Shimadzu), 2 386,00 Kč