The custom WaterPORT nozzle holder ingeniously attaches to either side of your WaterPORT 4.0 Gallon Water Tank, formerly known as the Day Tank, to allow you to take hands free showers. Simply place the nozzle in the holder and set the nozzle to hands free shower mode. Comes with the tab and bolts needed to attach to your WaterPORT 4.0 or 2.0 Gallon Water Tank.