Manufactured robust polypropylene base with transparent polycarbonate cover with a vacuum stopcock. Featured with a 3-way high vacuum stopcock enabling consistent and uniform vacuum draw and release. Vacuum stopcock can hold maximum vacuum of 1 Torr more than 24 hours. Silicone gasket between body and the lid ensures grease free, airtight closure. Supplied with a polypropylene perforated desiccator plate.
