Wessel Werk Handheld Electric Brush features two row double chevron bristles for thorough cleaning. It produces minimal noise during operation. Hence, it could be used in areas where low noise levels are critical. This brush has a built-in electric motor for effective cleaning and quiet operations. There is a standard two-pin connection at the handle which fits most electric hose sizes. Features: Automatic shutoff, Quieter operation compared to turbo brushes, Motorized hand held brush for optimum cleaning .