Karcher km 70/20 c 2sb, manual walk-behind compact floor sweeper w/ dual brushes – 1.517-107.0 the krcher km 70/20 c 2sb push sweeper makes cleaning outdoor areas a breeze. It is six times faster than a broom, and provides nearly dust-free sweeping thanks to its airflow control system and fine dust filter. Side brushes are retractable, and the main roller brush is height adjustable and driven by both wheels, making it adaptive to different surfaces. The push handle adjusts to 3 positions to suit the height and reach of the user, and can be folded completely flat for space-saving storage.