The Medium Green 2-inch diameter power scrubber brush is the perfect cleaning tool for tough bathroom cleaning tasks. Get into tight spaces and clean shower, bathtub, sink, tile and grout. Drillbrush was established in 2007. Our brushes are professional quality and have been tested and approved by commercial cleaners, marinas, detail shops, and other cleaning professionals. All Drillbrush Products have a 90 Money back guarantee.