These are double walled unit with outer made of M.S. duly powder coated and inner chamber are made of heavy gauge SS 304 grade sheet. Gap between the two walls is duly filled with high grade glass wool to avoid thermal loss. Temperature range from 50C to 150C is controlled by digital temperature controller cum indicator with an accuracy of +/- 1C. It is capable of withstanding a high vacuum. Provide with vacuum gauge, see through transparent window of toughened glass and one shelf. To work on 220/230 volts A.C. supply. Supplied with or without vacuum pump. (We supply vacuum pump double stage, built in moisture trap, NON Return Valve, Vacuum gauge with regulator etc.