A use of a filter element (1) comprising a body (2) which has material (3) suited for the adsorption of gases and vapours, wherein the body (2) is designed as a honeycomb structure, for the purpose of supplying a largely enclosed space with filtered supply...

Several flow holes divided by partition walls are sealed at either of their end faces. The thickness of the partition walls and the density of a cell (Y) are maintained within the area surrounded by straight lines connecting points A1, B1, C1 and D1, respe...