Abstract: Open filtering equipment for a water treatment station, for open filters with a filter bed such as sand, coal, etc., comprising a plurality of support legs (10), a plurality of frames (20) supported on said support legs (10), each having at least one opening (22), said plurality of frames (20) being suitable to cover the bottom of a filter, and a plurality of filtering assemblies with a flat upper surface, each of them attachable on a frame (20) covering an opening (22) thereof, and each filter assembly comprising a filtering grid (32) for filtering the water from the filter bed by filtering.