Hoover Steamvac F5915905 Carpet Cleaner SpinScrub 50 - multi-directional brushes surround carpet fibers to remove dirt at every angle. 3-Speed Brushroll Control - high for normal cleaning, low for gentle cleaning, off for spill pick-up. CleanSurge Control - fingertip control applies extra detergent to stains and heavy traffic areas. Heated Drying - applies heat to floor to speed drying time. 2-Tank System - easy to fill tanks keep cleaning solution and dirty water separate.