Description22mm Septa, Silicone white/PTFE blue, 55° shore A, 1.5mm, cross-slitted SpecificationsFeaturesDocuments 22mm Septa, Silicone white/PTFE blue, 55° shore A, 1.5mm, cross-slitted Diameter (d) - mm 22 Colour Wit / blauw Durometer 55° shore A Thickness (w1) - mm 1.5 Material Silicone / PTFE Quantity per pack 1000 stuks in PE-zak