This unit is double walled in Construction inner made of stainless steel with thick angle frame and with heat resist silver paint and exterior made of mild steel duly powder coated lagged with high quality glass wool insulation. Equipped with PID based digital temperature controller with PT -100 Sensors. High quality spiral type heaters. Temp Range 50 deg C to 200 deg C. Blowerized motor for air circulation to ensure rapid drying. with safety controller to protect contents damaging if main control-fails.