The Helios ELS EC 100/60 NC fan insert combines high performance and quiet operation with its aerodynamic radial impeller housed in a spiral casing, delivering a volume flow of 100/60 m³/h. It features ultraSilence technology for low noise output and comes with a unique, flat alpine white façade that has won multiple design awards. This model includes adjustable settings such as switch-on delay (0 or 45 seconds), run-on times (6, 10, 15, or 21 minutes), and interval operation (0, 8, 12, or 24 hours) for flexible ventilation control. Installation is quick and tool-free with plug-in coupling that simultaneously closes the electrical contact. The fan is powered by an environmentally friendly, energy-efficient EC motor. A permanent filter and optical filter cleaning indicator are included as standard, ensuring easy maintenance and consistent air quality.