Vacuum Desiccators are molded with high-quality plastics which are light and easy to handle. Silicone O-ring assures a tight seal down to 0 degree Celsius without using grease. The bottom part of the desiccators comes with thick perforated polypropylene disc with big holes in the middle for easy lifting. Stop cork located at base to allow easy removal of lid. Holds vacuum of 65 amber for 24 hours without any greasing. 329 mm high, O.D. 280 mm, I.D. 251 mm, Clearance above place 195 mm.