The Mercury HD-22 Flex autoscrubber is an almost indestructible, dual-brush, battery-powered, automatic floor scrubber built with 11.4 gallon stainless steel solution and recovery tanks and manual squeegee control for maximum productivity. The offset brushes are ideal for scrubbing close to walls and have controllable down pressure which make them easy to adjust for lightest to heaviest duty scrubbing. A modular plug-in scrub head, modular pump motor and control assemblies give fast and easy maintenance. It's the perfect addition to your medium sized facility floor cleaning equipment and comes with a 3 year warranty on pumps and motor.