This foam plug will prevent contaminates from entering a flask.
- Reusable, nonabsorbent, the plug provides a snug fit, yet allows free airflow.
- It is autoclavable and may be sterilized with ethanol.
- Fits flasks with an opening of 35-45 mm (1.4"-1.7")
- Fits both the 1000 mL and the 2000 mL
- Easily manipulated, the plug springs back to its original shape after repeated use.