Septa 17.5mm for ND18, Silicone blue/PTFE white, 1,3mm, pk/100 Back Catalog number: 17021417 Availability: In the manufacturer's stock Price on request - + Recommended 702627 Silicon septa PTFE, N12 2 607,00 Kč 702604 Silicon septa soft, N 11 1 886,00 Kč 8010-0207 CL Adv Green inlet septa 11mm 50pk 2 744,28 Kč