Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Apparatus and instruments for use in the purification, separation and sterilization of liquids and gases used in the biotechnology, pharmaceutical, medical, biopharmaceutical and food and beverage industries; Book lights; Humidifiers for household purposes; LED (light emitting diodes) lighting fixtures for use in display, commercial, industrial, residential, and architectural accent lighting applicati...