Air cleaning units; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air exchangers for cleaning and purifying air; Air purifying units for commercial use; Air-conditioning, air cooling and ventilation apparatus and instruments; Aquarium lights; Disinfecting ultraviolet lamps housed in a container or cover for disinfecting objects placed therein; Hydroponics grow box in the nature of a closed environment equipped with lights, exhaust system, hydroponics growing container and odor control system; Lamps for outdoor use; LED lamps; Portable headlamps; Strip lighting for indoor use; Ultraviolet ray lamps, not for medical purposes; Water purifying apparatus and machines; Water purifying apparatus for household purposes