Hoover Windtunnel Self Propelled Bagged Upright- U6485300B Self-Propelled - makes vacuuming effortless whether going forward or in reverse WindTunnel Technology - removes embedded dirt and minimizes blowback or scatter on carpet Includes 12 extra bag made with HEPA media - traps 99 97% of dust and pollens down to 0 3 microns Embedded Dirtfinder - sensor turns green when to replace the bag for optimal performance 3 Position Carpet Height adjustment - adjust as needed to clean all flooring types easily and efficiently