摘要 |
A filter cartridge (40) for filtering a fluid comprising a tubular filter wall (43) and at least a longitudinal core (45) inserted axially in the internal cavity of the filter wall (43), made of at least an electrically insulating material and provided with a plurality of radial openings (450), comprising at least a conductive strip (50), realised in an electrically conductive material, fixed to the longitudinal core and provided with at least a first portion (51) exposed from the longitudinal core externally of the internal cavity of the filter wall (43) and a second portion (52) exposed from the longitudinal core and axially located at a different height with respect to the first portion (51). |