The Scooba 450 is the only robot that scrubs hard floors so you don't have to. Just fill the tank, press CLEAN and the Scooba Three-Cycle Cleaning Process automatically sweeps and pre-soaks, scrubs, then squeegees your floors, tackling stuck-on messes and washing away over 99.3% of bacteria.* Scooba 450 is the perfect choice for brilliantly clean hard floors, every day, the easy way.