MASK APPARATUS

A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body, accommodating a portion of user's face, and defining a respiration space, and an air cleaning module purifying air introduced into the inlet of the front body and supplying the purified air to the respiration space. A portion of the rear body protrudes toward the front body and defines an accommodation portion configured to accommodate the air cleaning module. The air cleaning module includes: a fan module accommodated in the accommodation portion, a filter disposed at a rear side of the fan module and purifying air flowing into the fan module, and a filter housing including a filter frame and a filter cover covering surrounding side and rear surfaces of the filter.