Polypropylene filtering flasks have a heavy, opaque wall with serrated tubulation. Tubulation is angled downward to allow attached vacuum tubing to be draped on the lab bench, reducing the chance of tipping the flask over.
Very heavy, opaque wall, with serrated tubulation for attaching 6 mm i.d. tubing. Tubulation is angled downward at 45º to allow attached vacuum tubing to drape itself on the bench, thus reducing the chance of tipping the flask over. Requires size 7 stopper.
1-800-452-1261
How to Set Up a Vacuum Filtration