Clean virtually any hard surface, including porous stone, grout and finished concrete, with Tennant's high-performance T300 rear-operated scrubbers. Keep every area of your facility clean and well-maintained with an affordable, battery-powered floor scrubber designed for versatility. When you add the innovative ec-H2O NanoClean technology, you use electrically converted water to clean efficiently, save money and reduce environmental impact compared to the use of daily floor cleaning chemicals.