Discover the Silent Series, engineered for acoustic efficiency and power savings in air circulation. These duct fans boast double-layered insulation, vibration dampening, and noise reduction with an IP44 protection rating, ideal for sound-sensitive environments. Our design integrates fluid dynamics for optimal fan blade efficiency and a unique 45° angled airflow channel, ensuring high static pressure and significant airflow volume. The series features adaptable AC and EC switches, enhancing user experience in residential and commercial ventilation, promoting healthier indoor air quality.