Mildew Guard Prevents mould and mildew in Auto mode Mitsubishi Dehumidifiers focus on the growth characteristics of mould and mildew, and effectively prevents the growth of mold and mildew in living rooms, bathrooms, and other locations with the Mildew Guard feature, which operates at 40% humidity in Auto mode* for two hours. * If the humidity does not fall below 40% in a 24-hour cycle, the same effect can be achieved with a humidity of 50% for 4 hours |