The Ruck ISOR 150 EC K 01 is a fully insulated 150mm single box fan designed for quiet and efficient ventilation. It features a backward curved centrifugal impeller housed in galvanized sheet steel for strength and durability. The connection spigots include double lip seals to ensure secure airflow. A swing-out fan unit provides convenient access for maintenance. The fan is powered by an external rotor EC motor that offers stepless speed control and includes internal electronic temperature monitoring for safe operation. Suitable for outdoor installation, this model delivers energy-efficient and dependable performance in a wide range of ventilation applications.