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 8010-0207 CL Adv Green inlet septa 11mm 50pk 2 744,28 Kč 8010-0226 CL BTO inlet septa 11.5mm 100pk 4 876,20 Kč 5080-8896-50 Septa General Purpose Gray 11mm 50/pk 1 879,26 Kč