The Ruck EMKI 5025 EC 20 is a 1‑phase inline mixed flow box fan designed for quiet, efficient, and reliable ventilation. It features an efficiency-optimized diagonal impeller with CFD-optimized aerodynamics to provide stable and consistent airflow. The fan is housed in soundproof galvanized sheet steel for durability and low noise operation. The removable fan unit allows easy access for maintenance and cleaning. Equipped with a high-efficiency EC motor, the fan offers stepless speed control for energy-efficient performance. Internal electronic temperature monitoring enhances operational safety and ensures dependable performance. This model is ideal for commercial, industrial, and general ventilation systems requiring low-noise, high-efficiency airflow.