The invention is a swimming pool cleaning apparatus comprising a cleaning unit intended to be immersed in the swimming pool, at least one liquid filter circuit between at least one liquid net and at least one liquid outlet via a filter chamber removable from the body of the cleaning unit. The filter chamber comprises a cover and a filter basket. The cover including releasable means for fastening the filter basket and means for locking the filter chamber to the body of the cleaning unit, these locking means being releasable and, when released, causing an extraction handle to be deployed from the filter chamber and urged towards a predetermined position.