11 Filters for industrial and household use; Air filters; Air purifiers; Suction ventilators; Extractor units (ventilation); Hoods incorporating extractor fans; Air filters for use as dust extractors in industrial processes; Flues and installations for conveying exhaust gases; Sun tanning appliances; Sanitary installations, water supply and sanitation equipment; Burners, boilers and heaters; Lighting and lighting reflectors; Cooking, heating, cooling and preservation equipment, for food and beverages; Fireplaces; Industrial treatment installations; Personal heating and drying implements; Drying installations; Refrigerating and freezing equipment; Regulating and safety accessories for water and gas installations; Nuclear installations; Heating, ventilating, and air conditioning and purification equipment (ambient); Igniters