SLS-™ SELF LEVELLING SYSTEM SLS-™ SELF LEVELLING SYSTEM Constant high cleaning performances. SLS ™ System can be electric or mechanical and allows great cleaning performances thanks to a constant pressure on the floor. Applied to: 1050 1404 464 664 Benefits Brush head self-levelling & self-adjusting A perfect adherence of brushes to floors System can be either mechanical or electronic according to machine model