The Newbrand NB-2005U is a heavy-duty, high-performance, ultra-quiet air cleaner. It is ideal for large and medium-sized rooms and offices. The unit is designed to effectively purify the air of allergens, odors, and smoke. It features an advanced filtration system with a pre-filter, main filter, and activated carbon filter. It has an easy-to-read LCD display, 11 fan speeds, and a durable and handsome design. The NB-2005U is an energy-efficient, cost-effective solution for improving indoor air quality.