Filtering structure for swimming pool

A filtering structure for incorporating in the generally vertical walls of a swimming pool basin, comprising means for filtering and means for pumping, said means for pumping including an electrical part and a hydraulic part equipped with a turbine, said electrical part including an electric motor, said structure comprising a suction port facing towards a generally horizontal access passageway partly submerged in water, and emerging towards a generally vertical tank arranged thereunder and wherein are arranged said means for filtering, said vertical tank communicating with a generally vertical-column, partly in an upper part of which is arranged said hydraulic part of the means for pumping, and

• wherein the electrical part of the means for pumping is disposed above the level of the water to be treated, contained in said generally horizontal access passageway while said hydraulic part of the same means for pumping is submerged in a volume of filtered water.