Made of high-quality materials, it is suitable for bayonet bottles and has good sealing performance.
Specification
Description: White PTFE/White Silicone septum septum(Dia.×Thickness): 20×3.0mm Cap Material: Magnetic metal Cap Type: Closed Top Cap Color: Blue+Silver Center hole diameter: 8.15mm 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.