Double walled, mounted on sturdy angle iron, frame. Inner made of thick G.I./PCRC Sheet duly painted with high temperature aluminum paint, outer made of heavy duty PCRC duly primer coated and enamel painted. Insulation between inner and outer wall is done with 75mm thick glass wool to prevent any heat loss. Provided with double walled door with a system to prevent its opening. Door is provided with best quality handle, gasket etc. Provided with brackets to support the heavily laden trays at different height. Temp. range is from ambient to 250°c with an accuracy of ± 3°C or as desired by you and is controlled by digital temperature indicator cum controller with PT-100 sensor. Heating is done with ISI mark heating elements made from ni-chrome heating wire placed in the sides of the chamber. V belt driven motor operated blower system in the side of the chamber to maintain the uniformity of the temp. throughout the chamber. Works on 220V 50HZ single phase A.C. Provided with exhaust shaft on the top of the body.