13-425mm Black Open Hole Polypropylene Closure, Red PTFE/Silicone Septa, 0.060” with Slit 806070-13

Preassembled Screw Thread Closure and Septa (13-425mm) Choose the preassembled caps with septa best suited for your application.The patented Top Hat™ septa and closure was designed to provide a positive physical lock to assure that preassembled components arrive intact.