Description20mm Septa, Silicone transparent blue/PTFE transparent, 45° shore A, 3.0mm SpecificationsFeaturesDocuments 20mm Septa, Silicone transparent blue/PTFE transparent, 45° shore A, 3.0mm Diameter (d) - mm 20 Colour Blauw / trans Durometer 45° shore A Thickness (w1) - mm 3 Material Silicone / PTFE Quantity per pack 1000 stuks in PE-zak