Designed for efficiency in daily use, the shape of this Wheaton desiccator allows easy removal of desiccant materials. Clear color of bowl and cover allows convenient viewing of desiccant materials. This dessicator has tubulation on the top and a removable perforated shelf. The silicone O-ring allows for an air tight seal when vacuum is used. 250mm diameter (10 inches) and 230mm plate size. 317mm (12.5 inches) width including flange and 311mm (12.75 inches) height.