Ventilator, 92x92x25mm (1550-2000 RPM, 62.6-78.9 m/h, 16.3-22.8 dBA), rotor ultrasilentios SSO2, Flow Acceleration Channels, AAO Frame (Advanced Acoustic Optimisation), sistem unic pentru PWM de tip NE-FD1 PWM IC, Smooth Commutation Drive 2…