This warm mist vaporizer from SunBeam® provides a comforting warm mist relief that adds moisture in the air and helps alleviate dry winter cough and cold symptoms. This filter-free vaporizer is designed for quiet operation to disperse a warm, visible mist as well as a medicine tray for aromatherapy or medicinal vapors that can help soothe dryness of the throat, sinuses and irritating cough and cold symptoms. Vaporizer is treated with antimicrobial properties to help protect against bacterial growth and eliminate odors. Removable tank for easy filling and cleaning. 1.2-gallon tank capacity for small rooms. Up to 24-hour run time per tank filling with auto shut-off.