The AprilAire 720-Amp Whole-House, Fan-Powered Evaporative Humidifier is an advanced solution designed to deliver optimal humidity control for homes up to 6,250 sq. ft. With the ability to provide 21 Gal. of humidification per day, this industry-leading unit ensures rapid and balanced humidity, crucial for reducing respiratory infections, allergies, and asthma symptoms by minimizing bacteria, viruses, fungi, and dust mites throughout the entire home. The AprilAire 720-Amp is built with sustainability in mind, featuring a recirculation valve that reduces wastewater by 60% compared to previous models. Its 1-piece disposable HydroCore cartridge, made with recycled plastic, simplifies annual maintenance. The humidifier includes an automatic digital control, which adjusts humidity levels based on outdoor temperatures, and also includes a manual mode for customized settings. Enhanced with a hybrid fan, the unit boasts twice the evaporative efficiency of earlier models, ensuring even air distribution and superior performance. The reversible design accommodates various installation configurations, while additional features like leak protection, reduced noise, and a distribution tray that allows for slight misalignments during installation help minimize service callbacks. Color: Grays.