The Dri-Eaz LGR 3500i Dehumidifier (F411) provides industry-leading performance in a highly durable and portable package. Using built-in sensors, the unit automatically adjusts its operation to maximize performance in high or low humidity conditions. Electronic control panel clearly displays humidistat settings plus real-time inlet and outlet temperatures and relative humidity conditions. The newest LGR i-Series dehumidifiers include enhanced control systems to deliver even better water removal performance and convenient new features such as grain depression information and filter replacement reminders to help you keep your drying systems operating at peak efficiency.