Triple walled, inner made of thick stainless steel 304, outer made of M. Steel duly powder coated. Insulation between inner and outer wall is done with is done with 75 mm thick glass wool to prevent any heat loss. Provided with double walled door. Door is provided with best quality handle, gasket etc. Inner chamber is provided wire mase stainless steel tray. Temp range is from ambient to 90 ºC and is controlled by digital microprocessor-based temperature controller with an accuracy of ±2 ºC