EDGE benefits: Chemical free stripping, reduced slip and fall potential, Earn LEED credits, 70% reduction in water usage, consistent results, no swirl marks, wet screens wood gym floors. 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.