These are double walled units with outer made of Mild Steel Sheet duly powder painted and inner made of heavy gauge Stainless Steel Sheet 304. Gap between the two walls is duly filled with high grade glass wool to avoid thermal loss. range from ambient to 150°C is controlled by Digital Microprocessor PID temperature Controller with an accuracy of ± 1°C. It is capable of with standing a high vacuum. Provided with vacuum gauge, see through transparent window of toughened glass and one shelf. To work on 220/230 Volts A.C. supply. (Without Vacuum Pump).