11 Air-conditioning, air cooling and ventilation apparatus and instruments; Air conditioners for vehicles; Air cooling apparatus; Air filtering installations; Air humidifying apparatus; Air purifying apparatus and machines; Air sterilisers; Air-conditioning apparatus; Air-conditioning installations; Apparatus and instruments for use in the purification, separation and sterilization of liquids and gases used in the biotechnology, pharmaceutical, medical, biopharmaceutical and food and beverage industries; Apparatus for dehydrating food waste; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Electric room deodorizing units; Extractor hoods for kitchens; Fabric steamers; Filters for air conditioning; Gas scrubbing apparatus; Germicidal lamps for purifying air; Heat exchangers not being parts of machines; Heating boilers; Humidifiers for central heating radiators; Hydromassage bath apparatus; Laundry dryers, electric; Refrigerating appliances and installations; Refrigerating machines and installations; Sanitary installations in the nature of steam rooms; Solar thermal air systems for heating purposes; Solar thermal installations, namely, solar thermal modules; Steam generating installations; Sterilizers; Toilet bowls; Water purifying apparatus and machines; Water closets