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 5181-3383-50 Septa , Partial Thru hole Red 11mm 50/PK 1 879,26 Kč 702609 Standard septa, N 9 ST 1 488,00 Kč 8010-0207 CL Adv Green inlet septa 11mm 50pk 2 744,28 Kč