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 5181-3383-100 Septa, Partial Thru hole Red 11mm 100/PK 3 379,32 Kč 8010-0214 CL Adv Green inlet septa 17mm 48pk 3 583,44 Kč 8010-0201 CL Adv Green inlet septa 9mm 50pk 2 744,28 Kč