Compact, powerful air purifier heats and sterilizes air, cools it, and releases it back into the room. Enjoy cleaner, fresher air and reduced allergy-causing molds, toxins, spores, and pet dander. Does not emit ions or ultraviolet light. No filters or fans, for low energy consumption and no need for replacement parts. Treats up to 180 square-foot room. UL listed. 14" H x 6" Dia.