These Ovens are triple walled construction. In this system there is one path of circulating Hot Air in between the Inner Chamber and middle chamber. Forced air moved by the motorized blower is called PERFECT SYSTEM. It results in minimum temperature variation at any point in working space. Temperature controlled by Digital indicator-cum-controller with safety alarm from 50-250°C with a sensitivity of +/-1°C. Working chamber is made of aluminum anodized or adjustable trays. To work on 220/230 V AC.