Flask is heavy walled made of borosilicate glass. The opening is 2 inches inner diameter so use a #12 or #13 stopper. The barbed glass side arm accepts a vacuum hose. The 3.3 borosilicate is prefect for heating and cooling a...

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Product Review

Flask is heavy walled made of borosilicate glass. The opening is 2 inches inner diameter so use a #12 or #13 stopper. The barbed glass side arm accepts a vacuum hose. The 3.3 borosilicate is prefect for heating and cooling as it has a low coefficient of thermal expansion. The flask is typically used to create a vacuum and filter solutions. Flask also works as a buchner flask for filtering solutions in chemistry, physics, and life science labs and educational settings.

  • INDUSTRIAL STRENGTH || Made of high quality, heavy duty, borosilicate 3.3 glass. Excellent strength against breakage. Designed for use in professional laboratories, but is ideal for classroom, garage and home use
  • 5000ML CAPACITY || Flask has a 5000mL capacity and features white printed graduation lines every 500mL. Inner diameter at opening measures 52mm; use #11 stopper (not included)
  • INTEGRAL SIDE ARM || Flask is equipped with an integral barbed side arm for attaching vacuum tubing
  • HEAVY WALLED || Heavy borosilicate glass walls are ideal for withstanding pressure under a vacuum
  • STIR BAR COMPATIBLE || Features a perfectly flat inside bottom for mixing with a rotating stir bar

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