Description11mm Septa, PTFE grey/Butyl red/PTFE grey, 55° shore A, 1.3mm SpecificationsFeaturesDocuments 11mm Septa, PTFE grey/Butyl red/PTFE grey, 55° shore A, 1.3mm Diameter (d) - mm 11 Colour Rood / grijs Durometer 55° shore A Thickness (w1) - mm 1.3 Material Butyl / PTFE Quantity per pack 100 stuks in PE-zak