DescriptionSepta for screw caps, (with pre-cut *) thread GL 45, silic/PTFE beige SpecificationsFeaturesDocuments Septa for screw caps, (with pre-cut *) thread GL 45, silic/PTFE beige Diameter (d) - mm 43.2 Durometer 55° shore A Material Silicone / PTFE Quantity per pack 1000 stuks in PE-zak