Air purifiers; air purification apparatus; air purification units using ultraviolet lamps; air purification units using fog; lighting fixtures; lighting apparatus for purifying air; machine using a germicidal lamp to purify air; fog making machines; fog making machines for purifying air; machine that generates fog to purify air; sanitizing apparatus using ultraviolet light to sanitize the air; sanitizing apparatus using fog to sanitize air; apparatus for killing bacteria and viruses; lighting apparatus using a germicidal lamp to kill bacteria and viruses; machine that generates fog to kill bacteria and viruses; air sterilization apparatus; air treatment equipment, namely, ultraviolet sterilization units; air treatment equipment, namely, fog sterilization units; and sterilization units for buildings in the nature of apparatus that floods a room or space with anti-bacterial fog that eliminates all bacteria in the room or space