Sonic Scrub is a lightweight, deep clean, rectangular brush designed specifically for the oscillating floor machine industry. The innovative, patent-pending design is tufted with polypropylene and durable filament. Sonic Scrub features dual filament (polypropylene and nylon) construction for superior scrubbing action with either water or cleaning solution. Ideal for cleaning deep grout lines and uneven floors. Hook-and-loop attachments make Sonic Scrub a breeze to install or remove. Start saving hundreds by purchasing the new Sonic Scrub floor brush!