Laundry centers, namely, a clothes dryer combined with a clothes washer; Washing machine water treatment device connected to the cold water inlet to eliminate need for detergent; Ice machines and apparatus; Water filtration and purification units and replacement cartridges and filters therefor for refrigerators; Heat sinks for use in heating, cooling and ventilating apparatus; Refrigerators; LED (light emitting diode) lighting fixtures; Commercial refrigerators and freezers and replacement pa...