At the tip of the ESS MaxChargeTM nozzle is a tiny electrode which applies an electrical charge to the spray. This electrical charging causes a natural force of attraction between the spray droplets and target surface, similar to the attraction between items of clothing created by the tumbling of a clothes dryer. The charge on the droplets is small, but the force pulling the spray towards the target is up to 75 times greater than the force of gravity. Droplets literally reverse direction and move upwards, against gravity, when passing a target surface. This remarkable phenomenon by which the spray coats the undersides and the backsides of the spray target is known as electrostatic “wraparound.” In practical terms, this means that spray reaches the underside, the back side, and the nooks or crevasses of the target surface.