RV Tornado Rotary Tank Rinser with Hose helps to reach every area of your holding tank. This permanent tank rinser with 360° rotating head and multiple high-pressure nozzles is the easiest, most sanitary way to clean your holding tank. No need for hoses through the windows or devices stuck down toilets. Includes a backflow preventer and 6' exterior access hose for quick hose connection with no mess. Patented.