Made entirely of AISI 304 scotch brite stainless steel. Rounded work surface in AISI 304 stainless steel, 1,2 mm thick. AISI 304 pressed tank GN 2/1, cap. 55 lt with rounded corners and overflow pipe. Resistors can be started only if the tank is full of water. Automatic refilling of water in tank and an, if necessary, manual water refilling if the automatic version does not work. AISI 304 perforated plate for placing bamboo baskets and gasket for steam containing. Heating by means of sheathed high-efficiency elements inside the tank. Safety device to block the elements if the water level is below the minimum level. Cool-grip knobs made of heat-resistant material.