This 2000mL separating funnel has a robust pear shaped body with a 6 inch diameter at its widest point. The item measures 16 inches height when positioned upright and is designed with a glass stopcock that allows optimal control of flow when working with liquids in the lab. The interchangeable 29/32 stopper fits the 1.375 inch opening at the top of the funnel. It is made from quality borosilicate glass. Ungraduated.