Active Air Dehumidifier, 45 PintActive Air Dehumidifiers Improve the air quality in your grow room with this Active Air Energy Star 45 Pint Dehumidifier. It features easy to read digital electronic controls, including auto restart, auto defrosting, check filter alert and a 24 hour timer. In addition, this dehumidifier comes with two fan speeds and low temperature operation. The slide out air filter compartment makes it very easy to replace. Unit comes equipped with continuous drain