The series of SM scrubber dryer contain in a compact model all those technical solutions that characterised the most modern machines. The recovery thank is totally and easily cleanable, the brush head is created for every kind of brush and pad, the squeegee, all adjustable without tools, can dry every square angle. The machines are so silent that can be used every where and have many others useful solution not last the inside charger. Very compact and easy to hand that model is right to work in narrow space.