Double walled construction. Inner chamber made of anodized Aluminum / S.Steel. Outer body made of mild steel is powder coated/painted. Temperature thermostatically controlled by hydraulic thermostat from 50°C-250°C. Elements are at the bottom and sides. Built in 'L' shape thermometer. The gap between the inner & outer chamber is filled with high grade glass wool to avoid the thermal losses and having perforated adjustable trays. Two pilot lamp on/off switch. Work on 220/230 V.AC. Following sizes are available.