PATIKIL 20mm Vials Rubber Stoppers, 200 Pcs Self Injection Ports Butyl Rubber Bottle Stopper for Glass Vial Liquid Culture Jars

PATIKIL 20mm Vials Rubber Stoppers, 200 Pcs Self Injection Ports Butyl Rubber Bottle Stopper for Glass Vial Liquid Culture Jars

• Material: Butyl Rubber; Suitable for: 20mm Glass Vial; Inside diameter: 13mm; Outer diameter: 20mm; High: 9mm;
• Advantage:Made of rubber , it is durable, washable and reusable. It forms a good seal and is suitable for long-term storage of liquids or solids.
• Rubber Stoppers are suitable for oral liquid bottles, original solution bottles, essential oil bottles, freeze dried bottles, etc. These port rubber stopper may be used in the kitchen, laboratory, ect.
• Instruction : These rubber caps can be punched with injection holes so that culture media can be injected with an injection needle without removing the rubber stopper.
• NOTE: Our store has rubber stoppers caps of different styles, sizes and colors to choose from.