Ionizing dust extractor ELCOWA standard ECOVAC 4 carries out an effective elimination of the undesirable elements which settle on the surface of materials. Equip with a central brush, adapted to material to treat, and of two ionizing bars for the elimination of the electrostatic loads, dust extractor ECOVAC 4 represents the ideal system of de-dusting when the obstruction of the apparatus is a decisive criterion for its establishment on a work station. Coupled to an industrial dust extractor, it carries out an effective cleaning of flat materials in run.