In this system there is one path of circulating Hot Air in between the inner chamber and insulation. Forced Air Moved by the motorised blower is called PERFECT SYSTEM. It results minimum temperature variation at any point in working space. Temperature controlled by Digital Indicator cum Controller with Safety Alarm from 100°C to 350°C with a Sensitivity of ± 1°C. Working chamber is made of Stainless steel and outside made of mild steel painted with good stoving enamel with adjustable trays. To work on 220/230 Volts A.C. or 3 phase as desired.