Double walled construction, inner and outer chamber made of stainless steel with concentric rings and lids, with thermostatic control. Temperature range: 50C above ambient to 950C Accuracy: + 20C The bath can be raised to boiling temperature with thermostat set at maximum. Universal Water Bath Construction : This water bath made from single wall made of stainless steel. It is designed to meet almost all requirements of Pathological, Microbiological, Chemical, Physical and other Laboratories.