Used Frigidaire Dehumidifier in good condition. The Frigidaire 50 Pint Capacity Dehumidifier allows you to control the relative humidity in the room with Effortless Humidity Control. The easy-to-clean washable filter captures dust from the air and keeps your air conditioner working efficiently. Plus, the portable design with casters and top and side handles makes it easy to move the unit from room to room.