Spot-Free clean and shine with no need to hand dry. Motor Trend Approved. Spot-free results guaranteed. Dry Rinse Polymer sheets water off your car for fast drying and leaves no residue behind. Pur water filter Removes water impurities which cause spots, even in hard water. Helps protect the clearcoat by cleaning dirt and water spots, leaving a shine on the surface. Ergonomic design to deliver Mr.Clean AutoDry results