Fecha de publicación: 21/05/2009 Fuente: WIPO "abeja" The invention relates to a honeycomb monolithic member (1) for the filtration of particles, characterised in that the peripheral channels (8) defining the outer wall (7) of said member are configured in a way to contribute to the formation of an outer wall (7) having an inner face (7') that is essentially flat along the entire length of the member (1), and in that said flat wall further includes an extra-thickness (10, 10') at the corners (11) so that, as viewed along a transverse cross-section, the ratio R between the thickness Ecof the wall, as measured along the bisector of the angle at a corner (11) of the member (1), and the minimal thickness Eminof said wall is higher than 1.5.