Adsorption apparatus for generating hydrogen; Air purifying apparatus and machines; Commercial dryers and warewashers sold as a unit for washing and drying food plates, bowls, pots, pans and food preparation and cookwares, glasses and utensils; Dehumidifiers for commercial use; Household air cleaners; Ozone generators for sanitizing purposes; Sanitizing apparatus; Spa surrounds; Water purification machines; Water treatment equipment, namely, water filtration units and reverse osmosis units