Defend against potentially harmful allergens with this 4,500 Sq. Ft. Portable Dehumidifier. The high-performance humidifier was designed to keep your home or office space's air quality pristine and comfortable by helping prevent dust mites, mold, and mildew. In 24 hours at a time, it can hold up to 50 pints while covering up to 650 sq. ft. (2019 DOE Standards)/4,500 sq. ft. The dehumidifier's removable 6 L tank is accompanied by an electronic on-board control panel and a water level indicator to help prevent spills and keep you aware of how hard your device is working. Auto-restart and auto-defrost functions help provide a first-rate user experience, along a continuous gravity feed drain and continuous run for non-stop dehumidification. When it's time, simply pull the air filter out, wash, and reuse it.