Air conditioning filters; Air filtering apparatus; Apparatus for filtering dust; Apparatus for filtering breathing air; Filtering installations for air; Filters for air conditioning; Filters for use with apparatus heating; Exhaust hoods (cooker hoods); Filters for exhaust extractors (parts of household or industrial installations); Grease filters (parts of extractor fans)

Chemicals used in industry, science, photography, agriculture, horticulture and forestry; unprocessed artificial resins and plastics; and all other goods in this class

Carpets; rugs; mats and matting, materials for covering existing floors; wall hangings; and all other goods in this class

Yarns; threads; and all other goods in class 23