Flat filter capable of being cleaned with clear water

The utility model belongs to filters, particularly to a washable filter, and provides a flat filter capable of being cleaned with clear water. The flat filter comprises a housing, a filter element and a cleaning mechanism, wherein the cleaning mechanism comprises cleaning emery sticks and a drive device, the housing is provided with a water inlet, a purified water outlet and a waste water outlet, a drain valve is arranged on the waste water outlet, and a water valve is arranged on the purified water outlet. The key points are as follows: the filter element adopts a flat plate shape, and the cleaning mechanism is positioned on the outer surface of the filter element. The utility model has the advantages that the filter element is transformed from the conventional cylindrical shape to the flat shape, and the cleaning mechanism is arranged at the outer part instead of the original inner part, so that the filter element can be replaced without removing the cleaning mechanism, and the operation is convenient and s