A laundry treating apparatus comprising: a cabinet; an outer tub disposed within the cabinet; an inner tub rotatably disposed within the outer tub; a circulation conduit for guiding at least part of air in the outer tub to come out from the outer tub and be then supplied back to the outer tub; a fan disposed in the circulation conduit to move air; a temperature and humidity adjustment device disposed in the circulation conduit and comprising a cooling device for removing humidity from air moving along the circulation conduit and a heater for increasing temperature of the air; a filter net disposed in the circulation conduit to filter foreign substances included in moving air; a filter frame for supporting the filter net and having an extractable frame extending in the longitudinal direction and that is extractable from an outside of the cabinet; nozzles for spraying water to remove foreign substances filtered by the filter net; and a guide exposed from the front surface of the cabinet for guiding the extractable frame to be extracted, wherein the extractable frame comprises a connection part extending along the guide in a forward-backward direction and having one end exposed from the front surface of the cabinet, wherein the guide is formed in a structure surrounding the connecting part on the cross section of the connecting part to prevent the extractable frame from buckling in the left and right directions during the insertion operation of the extractable frame, and wherein the air flown into the circulation conduit moves to a downstream end of the circulation conduit by passing through the fan, the filter net, and the temperature and humidity adjustment device sequentially; characterised in that the filter frame further having a fixed frame fixed not to be extractable in the longitudinal direction forming a rest part of the filter frame and being disposed above the extractable frame. a cabinet; an outer tub disposed within the cabinet; an inner tub rotatably disposed within the outer tub; a circulation conduit for guiding at least part of air in the outer tub to come out from the outer tub and be then supplied back to the outer tub; a fan disposed in the circulation conduit to move air; a temperature and humidity adjustment device disposed in the circulation conduit and comprising a cooling device for removing humidity from air moving along the circulation conduit and a heater for increasing temperature of the air; a filter net disposed in the circulation conduit to filter foreign substances included in moving air; a filter frame for supporting the filter net and having an extractable frame extending in the longitudinal direction and that is extractable from an outside of the cabinet; nozzles for spraying water to remove foreign substances filtered by the filter net; and a guide exposed from the front surface of the cabinet for guiding the extractable frame to be extracted, wherein the extractable frame comprises a connection part extending along the guide in a forward-backward direction and having one end exposed from the front surface of the cabinet, wherein the guide is formed in a structure surrounding the connecting part on the cross section of the connecting part to prevent the extractable frame from buckling in the left and right directions during the insertion operation of the extractable frame, and wherein the air flown into the circulation conduit moves to a downstream end of the circulation conduit by passing through the fan, the filter net, and the temperature and humidity adjustment device sequentially;