A washing machine comprising: a casing having an entry hole formed in a front surface of the casing; a tub provided in the casing, configured to contain wash water, and having an entrance hole formed in a front surface of the tub; a drum rotatably provided in the tub; a gasket extending along a front-rear direction and forming a passage connecting the entry hole and the entrance hole of the tub; a plurality of nozzles spraying wash water into the drum, and wherein, the gasket being bilaterally divided into a first area and a second area, the plurality of nozzles comprises a first nozzle and a second nozzle disposed in the first area sequentially in a bottom-to-top direction; a pump configured to pump the wash water discharged from the tub; a circulation pipe connected the pump; and a distribution pipe connected to the circulation pipe, characterized in that the distribution pipe comprises: a conduit disposed in the first area on an outer circumferential surface of the gasket; an inlet port protruding from the conduit and connected to the circulation pipe; a first outlet port protruding from the conduit and configured to supply wash water to the first nozzle; and a second outlet port protruding from the conduit and configured to supply wash water to the second nozzle, wherein the first and second outlet ports (84a, 84b) are arranged on the conduit sequentially in the bottom-to-top direction and extend in parallel from the conduit toward the outer circumferential surface of the gasket. a casing having an entry hole formed in a front surface of the casing; a tub provided in the casing, configured to contain wash water, and having an entrance hole formed in a front surface of the tub; a drum rotatably provided in the tub; a gasket extending along a front-rear direction and forming a passage connecting the entry hole and the entrance hole of the tub; a plurality of nozzles spraying wash water into the drum, and wherein, the gasket being bilaterally divided into a first area and a second area, the plurality of nozzles comprises a first nozzle and a second nozzle disposed in the first area sequentially in a bottom-to-top direction; a pump configured to pump the wash water discharged from the tub; a circulation pipe connected the pump; and a distribution pipe connected to the circulation pipe, characterized in that the distribution pipe comprises: a conduit disposed in the first area on an outer circumferential surface of the gasket; an inlet port protruding from the conduit and connected to the circulation pipe; a first outlet port protruding from the conduit and configured to supply wash water to the first nozzle; and a second outlet port protruding from the conduit and configured to supply wash water to the second nozzle, wherein the first and second outlet ports (84a, 84b) are arranged on the conduit sequentially in the bottom-to-top direction and extend in parallel from the conduit toward the outer circumferential surface of the gasket. a conduit disposed in the first area on an outer circumferential surface of the gasket; an inlet port protruding from the conduit and connected to the circulation pipe; a first outlet port protruding from the conduit and configured to supply wash water to the first nozzle; and a second outlet port protruding from the conduit and configured to supply wash water to the second nozzle, wherein the first and second outlet ports (84a, 84b) are arranged on the conduit sequentially in the bottom-to-top direction and extend in parallel from the conduit toward the outer circumferential surface of the gasket.