Axial fans; Electric ceiling fans; Electric fans for ventilation; Electrical fans being parts of household ventilation installations; Electrically powered fans for ventilation purposes; Extractor fans; Fans for ventilating; Motorised fans for ventilation; Propellers (fans) for ventilation apparatus; Radial air fans; Ventilating fans; Air filtering apparatus; Apparatus for filtering fumes; Filtering installations for air; Filters for air extractor hoods; Filters for cleaning air; Filters for use with apparatus for ventilating; Installations for filtering the atmosphere