The ENVION Therapure TPP540 is a black plastic tower HEPA air purifier designed for medium to large rooms. With 3 cleaning stages and the ability to capture allergens, this Envion product is suitable for use in any room. It operates with a 120V power supply and features analog/mechanical control style, making it easy to adjust to your desired settings. With a noise level of 62 dB and a weight of 9.5 lb, this air purifier is efficient and compact, providing clean air for your living space.