Perfect Aire 1PACD150 Damp2Dry Commercial Dehumidifier (Clean-Up, Flood, Moisture, Mold, and Mildew), 150-Pints/19-Gallons Built-in duct attachment ring for connecting a vent hose (sold separately) to direct the heated exhaust air and assist in water evaporation Easy access panel to pump Automatic defrost control (hot gas bypass) Direct-to-drain hose access with 40 ft hose Reusable, washable air filter