A laundry treating apparatus is provided that may include a laundry accommodation device that provides a space in which laundry may be accommodated, the laundry accommodation device having an exhaust device that exhausts air and a supply device that supplies air; a circulation passage that guides air exhausted from the exhaust device to the supply device, the circulation passage having an inlet that communicates with the exhaust device; a heat exchanger provided in the circulation passage; a filter frame provided between the heat exchanger and the inlet; a filter fixed to the filter frame and provided in the circulation passage; and a filter washer fixed to the filter frame, that supplies washing water to the filter.