The Helios ELS EC 100 F fan insert features a 100 m³/h airflow combined with electronic humidity control for enhanced indoor air quality. It offers adjustable power settings with a switch-on delay of 0 to 45 seconds and selectable run-on times of 6, 10, 15, or 21 minutes. The fan’s spiral casing houses an aerodynamically optimized radial impeller designed for high pressure output, delivering quiet operation thanks to advanced ultraSilence technology. Installation is simple and tool-free via a plug-in coupling that simultaneously connects electrical contacts. Powered by a new, environmentally friendly EC motor, this fan ensures energy-efficient performance. The flat, unique alpine white façade, made of premium plastic, has received multiple design awards. The unit includes a permanent filter and an optical filter cleaning indicator for easy maintenance.