Stainless steel and anodized aluminium containers have been fitted with a filter block made of hard anodized aluminium and stainless steel. Hard anodized aluminium is characterized by an elevated resistance to high temperatures and it is outstanding for excellent properties of resistance to mechanical stress and chemical agents. The filter block has been designed to facilitate the containers filters replacement. In fact, the closing system with 4 fixing points assures rapidity, practical use and rapidity, practical ease and quickness. The filter block silicone gasket ensures that air and steam enter only through the filter. Thanks to the new geometrical design of the filtering system it is also possible to optimize managing of consumables. The filter block is in fact universal and it allows the housing of different filters paper, cotton, synthetic and PTFE).