Air cleaning units; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air purification units; Air purifiers; Air purifiers for automobiles; Air purifiers for household purposes; Air purifying apparatus and machines; Filters and filtering devices for air and gas conditioning; Household air cleaners; Industrial air purifiers; Ionisation apparatus for the treatment of air; LED lighting fixtures for indoor and outdoor lighting applications; Machine that ...