The Libman® Tornado Spin Mop™ System Refill is a replacement mop head for the Tornado Spin Mop™ System. The extra-large, microfiber mop head is safe for hardwood floors and effectively cleans tough messes. The microfiber is tough enough for dirt and grime but soft enough that it won’t scratch floors, and is machine washable. It is easy to replace so you can keep mopping with a fresh mop head. The Libman® Tornado Spin Mop™ removes over 99% of bacteria with only water. Safe on all hard smooth flooring surfaces, including hardwood, tile, vinyl, linoleum, and more.