Dewar Flasks, Lab Grade
By Pope Scientific![Dewar Flasks, Lab Grade](https://krackeler.com/tt/lg/graphics/0110/jpg/s-l300.jpg)
Made of borosilicate glass, with no pads between walls to induce heat transfer. Available in a cylindrical shape or with a constricted mouth. The plastic mesh over exposed surfaces of cylindrical dewars protects the user.