Patented venturi spring design pumps clean water into your buffing pads and squeezes out the dirty chemicals several times per second, Gently cleans polishing pads within 10-15 seconds and dramatically extends the pad life, Does not use a machine polisher to operate, 3 Piece kit includes pad washer attachment, hook and loop handle, and a storage bracket to neatly hang the kit when finished, Can be used in your wash bucket to clean your mitt as you dunk.