A pool cleaner that may include a housing; a driving motor that is configured to assist in moving the pool cleaner; a filtering element that is at least partially surrounded by the housing; an intake aperture; a first fluid conduit; and a first grille that comprises two or more movable first panes; wherein the filtering element is configured to filter fluid from the intake aperture to provide filtered fluid; wherein the first fluid conduit is configured to direct the filtered fluid towards the first grille; and wherein the first grille is configured to output the filtered fluid at a first direction that is responsive to a position of the two or more movable panes.