Flasks have an autoclavable plastic sidearm designed to accept 7.9mm (⁵/₁₆") I.D

Designed from ASTM Specification E1406, Type III, Class 2 requirements.

flexible tubing. Sidearm has finger grips for easy insertion or removal. Opening in sidearm is larger at flask end to hold a cotton plug securely. Graduated with white scales to indicate approximate volumes.