Heat pump module and laundry treatment device using the same

A laundry treatment device is provided. The laundry treatment device includes a dual filter structure which may prevent heat transfer efficiency of a heat pump module from becoming poor due to introduction of lint to an inlet duct. The laundry treatment device may include a cabinet, which may form an exterior of the laundry treatment device, a tub mounted in the cabinet configured to accommodate washing water therein, a drum rotatably mounted in the tub configured to receive laundry therein, a heat pump module mounted under the tub that supplies hot air to the drum and having an inlet duct that receives air from the drum and an outlet duct that discharges the heated air, and a filter module mounted to be accessible through a lower side of a front of the cabinet that filters air received therethrough.