Electrical apparatus, for the ionization of the air in a room, incorporating a centrifugal fan, a negative-ion generator and a three-stage filtration system (pre-filter for large particles, electrified main filter of textile fibre and a deodorizing filter of activated carbon). | 85438990 | Classification is determined by the provisions of general rules 1 and 6 for the interpretation of the combined nomenclature, note 3 to section XVI and by the wording of CN codes 8543, 854389 and 85438990.The principal function of the apparatus is the generation of ions. |