Double walled outer casing made of M.S. sheet duly painted inner stainless steel 304 grade sheet. Temp. controlled by Hydraulic Thermostat from ambient to 95ºC ± 0.5ºC. The bath consist of 2 pilot lamps & on-off switch. To work on 220/230 volts A.C. Supply with ISI immersion heaters. Size of Inside Stainless Steel Tank a) 300x300x175mm (For 2 Racks) b) 325x300x175mm (For 4 Racks) c) 600x300x175mm (For 8 Racks)