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.

California Proposition 65

Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.