Air filtering installations; Filters for air extractor hoods

Air filtering installations; Air filters for air conditioners in vehicle passenger compartments; Air purification units; Air purifiers; Air purifying apparatus; Filters for air conditioning; Filters for air extractor hoods; Water filtration and purification units and replacement cartridges and filters therefor; Water filtration and purification units and replacement cartridges and filters therefor for refrigerators; Water purification units