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 702602 Silicone septa soft , N 9 1 838,00 Kč 5183-4762 Septa Non-Stick Long Life 5mm 50PK 3 016,44 Kč 5181-3383-50 Septa , Partial Thru hole Red 11mm 50/PK 1 879,26 Kč