Vacuum muffler allows machine to consistently achieve as low as 70 dBA while thoroughly drying the floor. Squeegee adjustments made simple tool-less maintenance of the squeegee blade. Fill system features a retractable hose for easy filling on standard sink-faucets and a stainless screen for bucket filling. Oversized vacuum screen shut-off quickly arrests overfill issues to protect the vacuum motor. High performance motors and down pressure provides an unmatched standard of cleaning.