Oreck U2000 EB Commercial Upright Vacuum Cleaner High performance commercial upright drops flat to get under low furniture. New Cog V-belt with cog motor and brush pulley. RPM circuit breaker shuts off motor when brush roller RPMs slow down Brush Roller RPMs Slow Down. Powerful, high-speed, balanced, double helix brushes whirl at 6,500 RPM. Almost twice as fast as other brands. 12" wide cleaning head covers a wider area and leaves no center dirt path. Handle drops down flat for cleaning under low furniture and for easy storage. Clear, non-marring bumpers. Exclusive Mic