DeLonghi DD50P 50Pint Pump Dehumidifier The DeLonghi 50Pint Dehumidifier DD50P is a small to medium capacity dehumidifier recommended for cool basements and smaller spaces. Unlike many other room dehumidifiers, the DD50P is fitted with a condensate pump of DeLonghi patented design. It is capable of low temperature operation and is suitable for use in a cool basement, as well as any room in the house. Recommended for use in any room up to a maximum of 1,000 sq. ft.