►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 the body and the lid ensures grease free, airtight closure.
►Supplied with a polypropylene perforated desiccator plate.