Ozone and hydroxyl radical sanitizers for sanitizing the food zone of an ice maker in commercial ice machines;Air purifying apparatus and machines;Air purifying apparatus;Air filtering installations;Combination ozone sanitizer and electric deodorizing units;HEPA filters for household use;Ozone generators that kill mold and mildew;Air purification units;Air cleaning unitscontaining an airfilter, ultraviolet lights and a photocatalytic filter;Germicidal lamps for purifying air;Air purifiers;...