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 702647 CenterGuide BTO Septa N 11 1 796,00 Kč 5181-3383-100 Septa, Partial Thru hole Red 11mm 100/PK 3 379,32 Kč 5183-4760 Septa Advanced Green Inlet 5mm 50PK 2 472,12 Kč