Whynter RPD-421EW Energy Star Portable Dehumidifier, 40 Pint 40 pint/19 liter capacity dehumidifier with 7 pint/3.31 liter removable water bucket including handles and caster wheels for portability Low temp operation (minimum ambient temperature low 40 degrees F), electronic controls with humidity sensor settings, fit for 35-85% relative humidity Auto-restart, auto-shutoff, 24-hour timer, dial fan speed, and auto-defrosting capability to prevent frost build-up inside unit Noise level: &lt;53 dBA, air flow: 245m3/h / 144 CFM, maximum power consumption: 580W / 3.8A, power supply: 115 V / 60Hz UL listed and Energy Star rated, 2 in 1 silver-coated washable pre-filter combo, R410A, 20" drain hose for Continuous/Gravity drain