Cupboard for sterilizing of 20 knives-holder. Construction totally in stainless steel. It has a tank where the kinves-holder that come off submerged in water are placed. The water of the tank is heated by a heat exchanger with a steam coil. Control of the temperature of the water with a thermostat electro-mechanical . The time of going from 20º at temperature of sterilization (aprox. 85º) is around 1.30 hours.