The Ruck KVR 6035 E4 31 is a durable and efficient centrifugal box fan engineered for consistent performance in demanding ventilation systems. It includes a backward curved centrifugal impeller designed to deliver stable airflow and efficient operation. The unit features a galvanized sheet steel housing, providing strength and corrosion resistance for long-term reliability. A removable fan unit allows for easier servicing and maintenance access. Powered by a robust single-phase AC motor, the fan offers stepless controllability, enabling precise adjustment of airflow to meet system requirements. This model is rated for continuous operation with conveyed medium temperatures up to 65°C, making it well-suited for commercial and industrial ventilation applications requiring durable high-temperature performance.