Dehumidifiers; Air handlers; Cooling apparatus used for blood, intravenous solutions, irrigation solutions, and other medical and surgical fluids; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Electric cabinets used to control temperature and humidity for heating and proofing food goods; Electric fans for household purposes; Faucet sprayers; Filters for drinking water; LED light assemblies for street lights, signs, commercial lighting, automobiles, buildings, and other architectural uses; Modular insulated panels and doors for walk-in refrigerated enclosures, environmental cooling rooms and freezers; Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Power-operated vaporizers for household purposes; Separators for the cleaning and purification of liquids; Ultrasonic sterilizers for household purposes; Water filtration and purification units and replacement cartridges and filters therefor