WIPER OF A WIPER SYSTEM

A wiper of a wiper system for a vehicle is disclosed. The wiper includes at least one wiper blade carried by a support and configured to wipe a glazed surface of a vehicle. The wiper includes a spoiler configured to be connected to a cleaning system distributing cleaning liquid. The spoiled includes a body in which a spray manifold for the cleaning liquid is provided. The spray manifold is configured to be connected to the cleaning system. The spray manifold extends in a main direction of extension of the spoiler and comprises at least one row of spray holes. at least one of the spray holes includes a cleaning liquid passage section. The spray holes of a row are spaced apart along the main direction of extension of the spoiler.