Description20mm Pharma-Fix-Septa, Butyl/PTFE, 50° shore A, 3.0mm SpecificationsFeaturesDocuments 20mm Pharma-Fix-Septa, Butyl/PTFE, 50° shore A, 3.0mm Diameter (d) - mm 20 Durometer 47° shore A Thickness (w1) - mm 3 Material Butyl / PTFE Quantity per pack 1000 stuks in PE-zak