Made of high-quality materials, it is suitable for bayonet bottles and has good sealing performance.
Specification
Description: Gray PTFE/Butyl septum septum(Dia.×Thickness): 20×3.0mm Cap Material: Aluminum Cap Type: Closed Top Cap Color: Silver Center hole diameter: 10mm Packing: 1 pack (100 pcs)
Features
● 20mm screw thread. ● Pre-assembled with spacers. ● 20mm pre-assembled septa caps for all types vial, while avoiding secondary pollution.