YORCO incubators are sturdy, with double walled construction with complete inner chamber made of Highly Polished Stainless Steel. Outer chamber is made of Mild Steel Sheet, finished with powder coated paint. (S.S. 304 is optional for outer chamber) . 75 mm gap between the walls is filled with special grade glass wool for proper insulation and to avoid heat losses. Inner chamber fabricated with ribs for adjusting shelves to convenient height. Supplied with 2 or 3 removable shelves. SHELVES are made of Stainless Steel Sheet. Door is insulated & fitted with heavy hinges. Door has Double glass window which facilitate inspection of samples without opening the door. Heating elements, made of high grade imported Nichrome wire are put inside the porcelain beads and placed at the bottom and side ribs for uniform temperature all over the space. Door gasket is made out of synthetic rubber compound.