APUXON 20mm Butyl Rubber Stoppers, 100 Count | Lab Supply for Liquid Culture Jars

• Made of high quality rubber material, durable, washable and reusable
• For 20mm glass bottles and liquid culture bottles, suitable for openings of about 12.5mm in diameter
• The culture medium can be injected with injection needle without removing the rubber plug
• High temperature resistance and washing resistance can form excellent sealing performance, thus prolonging the service life of the materials in the bottle
• Suitable for kitchen, laboratory, hospital, etc. Suitable for liquid culture, injection, dosing tank and cereal masterbatch

• Select the Right Jar — Choose a glass vial or liquid culture jar with an opening diameter of approximately 12.5mm to ensure a snug fit for the 20mm APUXON rubber stopper.
• Insert the Stopper — Firmly press the 20mm butyl rubber stopper into the opening of the jar or vial. Ensure it is seated securely to create an airtight and leak-proof seal.
• Perform Injections (If Needed) — For sterile applications, insert a needle directly through the stopper to inject culture medium or other liquids without removing the stopper, maintaining the integrity of the contents.
• Clean and Reuse — After use, the stoppers can be washed and reused due to their durable, washable, and high-temperature resistant butyl rubber material.

Typical situations where APUXON 20mm Butyl Rubber Stoppers helps — illustrative scenarios, not customer reviews.