With the 28 inch cleaning path of the Wide Area Motorized Sweeper Vacuum you can reduce cleaning Time by nearly half that of standard vacuum cleaners. This unit is ideal for quickly cleaning auditoriums, stadiums, churches, schools, convention centers and other large carpeted areas. Five levels of height adjustments let you get it all the first time and the 3-inch diameter, metal brushroll is designed to pick up debris that would clog most ordinary vacuums.