Air purifiers; Air purifiers; Air purifying apparatus; Air purifying apparatus and machines; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Germicidal lamps for purifying air; Halogen lamps; Light bulbs; Lighting fixtures; Sterilization units for buildings in the nature of apparatus that floods a room or space with anti-bacterial gas that eliminates all bacteria in the room or space; Ultraviolet lamps not for medical purposes; UV halogen metal vap...