Rotating Wash Brush, For More Effortless Cleaning Of Most Flat Surfaces, Painted, Glass & Plastic, Use It On Your Automobile, House Siding Or Windows, The Water Pressure From Your Pressure Washer Causes The Inner Brushes To Gently Spin, Making Your Cleaning Job Much Easier, Excellent For The Application Of Detergent, Simply Attach The Brush & Supply The Pressure Washer With Detergent, The Detergent Will Be Dispensed In The Correct Ratio Through The Rotating Wash Brush As You Clean.