Double walled, glass wool insulated. 80/20 Ni-chrome heating elements placed under ribs at bottom and sides for uniform heat distribution. Temperature Range 50 to 250 deg. C with Thermostatic Control. Electric supply: 15 Amps. Single phase 230V A.C. Optional [A] Microprocessor based Temp. Controller & Timer [B] Forced Air Circulation by TEFC 1/12 H.P. Continuous duty motor for uniform heat Distribution