What makes Rainbow the best choice for your home? Our patented, cutting-edge technology pairs the principles of hydrodynamics (water in motion) and aerodynamics (air in motion) to trap dirt in a swirling water bath. Unlike typical vacuum cleaners, the Rainbow delivers like-new power every time you use it. The floor, the furniture, even the air is washed clean-leaving your home refreshed every time you use it. Certified as an air cleaner by the Association of Home Appliance Manufacturers (AHAM). The Rainbow's wide assortment of attachments provides the versatility to clean practically everything around your home.