The Ruck ISOR 315 EC K 01 is a robust and fully insulated 315mm single box fan engineered for quiet and efficient airflow in a wide range of ventilation systems. Built with a durable galvanized sheet steel housing, it incorporates double lip sealed connection spigots to ensure secure and airtight duct integration. The backward curved centrifugal impeller provides smooth, low-noise performance, while the swing-out fan unit enables fast, convenient servicing. Powered by an external rotor EC motor, the unit offers stepless, energy-efficient control for optimal performance at varying airflow demands. Internal electronic temperature monitoring adds enhanced protection and reliability. Designed for outdoor installation, this fan delivers dependable, high-efficiency ventilation suitable for commercial, industrial, and specialist applications.