●StonyLab Desiccator is commonly used in chemistry, biology, and material science research for storing and preserving samples such as hygroscopic chemicals, and biological specimens; ideal for drying, preserving, or storing moisture-sensitive substances ●Provides protection against light-sensitive materials, while the airtight seal prevents moisture and other contaminants from entering the desiccator; heavy duty and reusable ●Include porcelain plate to separate sample and desiccant ●Inner diameter: 7.09 inch; Outer diameter: 9.45 inch; Height: 10.24 inch ●Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied