Electric aromatherapy oil diffusers; Electric candle warmers; Non-electric aromatic oil diffusers, other than reed diffusers; Non-electric candle warmers; Perfume burners, electric and non-electric; Plates for diffusing aromatic oil

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Humidifiers; Air-conditioning apparatus; Air deodorising apparatus; Air filtering installations; Air purifying apparatus and machines; Air sterilisers for household use; Air sterilizers; Disinfectant apparatus; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Filters and filtering devices for air and gas conditioning; Heating installations; Radiators, electric