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 702622 High temperature septa N 12 HT 2 528,00 Kč 8010-0203 CL Adv Green inlet septa 9.5mm 50pk 2 744,28 Kč 5188-5367 Gold Plated Inlet Seal with Washer 1 589,41 Kč