Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air exchangers for cleaning and purifying air; Air filtering installations; Air purification units; Air purifying apparatus; Air purifying apparatus and machines; Baking ovens; Bath tub jets; Bread baking machines; Electric coffee brewers; Electric deep fryers; Electric fans; Filters and filtering devices for air and gas conditioning; Humidifiers for household purposes; Microwave ovens; Milk sterilize...