Doubled walled inside chamber S. Steel outer chamber of mild steel heavy gauge duly powder coated Microprocessor Based PID Temp. Controller form 50 deg C to 300 deg C + 1 deg C. Beaded Heating elements are placed in the ribs at the bottom and sides. Completer with Two indicators, and on/off switch of fitted with industrial heater fitted on back side of the chamber, Triple walled, with blanket insulation/mineral insulation & Air circulation fan. To operate on 220/230 volts. A.C. Supply.