This Pressure sprayer is equipped with oring to avoid the leak of the liquid during the normal using, is composed with a overpressure valve and the sprayer is equipped to directional nozzle. On the bottle there is a strip to check the liquid level and in the bottom part of the sprayer there is a ring in plastic to protect from damage.With Venus SUPER 360 PRO it is possible spray the liquid from any angle of the sprayer (by side,upside-down, sloping)