The Helios ELS EC 100 NC fan insert delivers 100 m³/h airflow with advanced control features including codable overrun, adjustable switch-on delay (0 or 45 seconds), run-on times (6, 10, 15, 21 minutes), and interval operation options (0, 8, 12, 24 hours). Its spiral casing houses an aerodynamically optimized radial impeller designed for high pressure output while maintaining impressively low noise levels thanks to ultraSilence technology. Installation is straightforward with a tool-free plug-in system that ensures simultaneous electrical connection. Powered by an energy-efficient EC motor, the unit boasts economical operation and environmental friendliness. The fan insert features a flat, award-winning alpine white façade made from high-quality plastic. Included is a permanent filter with an optical cleaning indicator for easy maintenance.