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 8010-0240 CL Long Life inlet septa 11mm 100pk 5 443,20 Kč 702606 Silicon septa soft, N 13 2 164,00 Kč 8010-0228 CL BTO inlet septa 12.7mm 48pk 2 744,28 Kč