Method for cleaning foreign materials filtering apparatus

A washing machine, comprising:

• a reservoir disposed in a cabinet, and containing washing water therein;
• a washing tube disposed in the reservoir, and accommodating laundry therein;
• a pulsator disposed at a bottom of the washing tub, and configured to stir the washing water;
• a washing water circulation duct disposed between an inner wall and an outer wall of the washing tub;
• and
• a foreign materials filtering apparatus detachably mounted to the washing water circulation duct, and configured to filter foreign materials from circulating washing water,
• wherein the foreign materials filtering apparatus comprises:
• a handle coupled to the washing water circulation duct, and having a round ring shape;
• a front filter mounted to an inner circumferential surface of the handle, and having a mesh;
• a rear filter hinge-coupled to the front filter at a lower side, and forming a foreign materials collecting space;
• and
• a cap configured to an outer circumferential surface of the handle.