Double walled construction. Inner chamber made of stainless and outer Mild steel painted with white stoving enamel. A water drain cock & stainless steel tray is provided at the base of the chamber. Temperature can be controlled up to -20°C by electronics Digital temperature controller cum indicator. High grade puf insulation is provided between the walls to achieve set temperature in short time. A sealed condensing unit of Kirloskar / Techmshah fitted at the bottom below working chamber. Suitable to work on 220/230 V, 50 Hz. Single phase AC supply.