The SC 43D is a new generation double brush carpet, floor scrubbing and polishing multipurpose machine. This high-powered machine a preferable over any standard machine as it has unbelievable cleaning and polishing capabilities. Some of the other features include a water tank, a variable speed adjustment system, and it is constructed out of a special high-impact polyethylene plastic. As with all of our machines, this machine is guaranteed for two years against all defects in workmanship and manufacturing.