Borosil 5000ml Glass Filtering Flask

 

This is a Borosil Brand 5000ml borosilicate filtering flask with heavy wall & bolt neck with tubulation. Borosilicate glass flask are designed to give the best combination of thermal shock resistance, physical strength and resistance to chemical attack. The flasks is 17 high, the outside diameter of the opening is 3.25 , inside diameter is 2.25, a #12 rubber stopper fits this flask. " "