A spreader for spreading a material including at least one pair of rotating discs having a plurality of generally radially oriented blades attached thereon for disbursing the material in a pre-selected pattern. The discs are rotatably positioned below an end of a funnel unit to receive material passing through the funnel units. The material, as it passes through the funnel units, is directed to a predetermined impact region on each of the rotating discs by a corresponding pair of deflecting vanes integrally fit and movably attached within each funnel of the pair of funnel units. Each deflecting vane is selectably movable by a corresponding actuator from a first position to a second position while the spreader is operating.