Kärcher Pressure Washer PS 40 Power Scrubber Brush
Kärcher Powerscrubber PS 40 - YouTube
Karcher Ps 30 Power Scrubber Pressure Washer Brush/broom Extension For Karcher K1-k5- 2600 Psi in the Pressure Washer Brushes & Brush Kits department at Lowes.com