Hoover Savvy U8181-900 is a Bagged/Bagless Combination Upright vacuum cleanerwith Windtunnel Technology. Powerful 12 amp Motor. 15 inch cleaning width nozzle. Bagless design with Hepa Filter Allergen Filtration. Bagged uses Filtrete Hepa Filter Bags. SurePass cleaning System. On board tools and Embedded Dirt Finder. When the light turns green the carpet is clean.