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 702610 Standard Septa N 10 ST beige 1 564,00 Kč 5181-8815 Microseal Septum, low pressure 5 261,76 Kč 8010-0205 CL Adv Green inlet septa 10mm 50pk 2 744,28 Kč