DESC: The Amaircare Model 4000 is a powerful, portable, commercial-quality HEPA filter system that provides up to 1100 square feet of coverage! The Amaircare Model 4000 features 100 square feet of HEPA surface area to effectively remove dust, pollen, smoke, bacteria, attached viruses, animal dander, mold spores and more! Ideal for large rooms in your home or office. Available in black or white.