The Ruck ISORX 125 EC K 01 is a fully insulated 125mm single box fan designed to deliver quiet and efficient ventilation. It features a backward curved centrifugal impeller housed in galvanized sheet steel for strength and consistent performance. The swing-out fan unit allows straightforward access for servicing, while the external rotor EC motor provides stepless speed control for energy-efficient operation. Internal electronic temperature monitoring enhances operational safety and ensures dependable performance. Suitable for outdoor installation, this fan supports a wide range of residential, commercial, and specialist applications requiring low noise and effective airflow.