Description_x000D_ General description_x000D_ Polystyrene provides high optical quality-especially when microscopic examination is required._x000D_ Includes:_x000D_ • A certificate which assures user of biological performance as well as traceability_x000D_ • Top and bottom stacking rings for easier handling and more stable stacking_x000D_ • Tested for cell growth and plating efficiency_x000D_ • Radiation sterilized_x000D_ • Air vents provide gas exchange_x000D_ • For cloning experiments and plating efficiency determinations_x000D_ • With lid_x000D_ Legal Information_x000D_ Nunc is a registered trademark of Thermo Fisher Scientific or its subsidiaries