These flasks have the toughness and transparency of polycarbonate with the utility of polypropylene screw closures. Use for preparation and storage of culture media and many culturing techniques. The flasks are autoclavable, but these polycarbonate ones show some loss of mechanical strength after repeated autoclaving.
- Polypropylene linerless screw closure
- Safer than glass flasks for use in shakers
- Mouth can be flamed gently if desired