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 8010-0216 CL Adv Green inlet septa SHM Plug 100pk 182,13 € 702619 High temperature septa N 9 HT 94,30 € 8010-0201 CL Adv Green inlet septa 9mm 50pk 109,40 €