This B.O.D.Incubator is a double walled chamber with interior walls made of anodized aluminum sheet/stainless steel. Its exterior is made of heavy mild steel finished with stowing white enamel. The door of the incubator is also double walled. The temperature range inside the chamber is from -60°C +/-1°C which is controlled by hydraulic thermostat and indicated by L shaped prismatic thermometer. Complete with stainless steel trays it has two air circulation fan and unbreakable acrylic transparent inside door.