Vertical Cylindrical Single Chamber Autoclave in diameter 12", 14", 16" and 18". Electric and externally operated. Cylindrical drumand outer cover made out of stainless steel. Top lid of solid stainless steel "die press"' equipped with steam release, double safety valves. Specialy designed heat resistance gasket. New type of element of 2 Kw is covered by same metal removable cover to protect the element. Gun metal casted wing nuts provided to tight the lid.