This Sharper Image Envion Ionic Pro Turbo TA500 Tower Air Cleaner Purifier TA-500B is a powerful electrostatic air cleaner that captures allergens, dust, and pollen without the need for filters. With three speeds, portable design, and quiet operation, this air purifier is perfect for personal use or for cleaning medium to large rooms. The 120V voltage and single cleaning stage make it easy to use and maintain. The black color and sleek tower design make it a stylish addition to any home.