Desiccators .
Thermo-Scientific Diameter (English) Inner 5.87 in. Diameter (English) Outer 7.125 in. Diameter (Metric) Inner 149mm Diameter (Metric) Outer 181mm Height (English) Exterior 5.88 in. Height (Metric) Exterior 149mm. Description: Clear polycarbonate (PC) cover has recessed rim to keep grease off benchtop when cover is set down, No gasket required, only grease is needed, Large desiccator (Cat. No. 5310-0250) takes any standard 230mm desiccator plate such as Cat. No. 5312-0230 (sold separately), Autoclavable; repeated autoclaving will reduce the life of the product.