The Whirlpool AD40USL4 is a 40-pint capacity portable dehumidifier designed to extract moisture from large, damp areas. It features Ultra Low Temperature Operation (working in environments down to 44° F), an electronic humidistat, and a front-removable bucket with a capacity of roughly 18 pints. Overflow shut off. Must be emptied by hand. Casters roll easily. Shows small amounts of rust due to long exposure to high moisture environment. Works as expected. Cash only. All sales are final. firm price.