New Special Fan Blades
In order to keep air resistance to a minimum, the fan blades have been fitted with unique grooves.
All fans of this series have the mounting holes fitted with rubber inlays to keep unpleasant vibration noise at a minimum.
The pwm-model (Pulse-width modulation) of the new GlideStream-series. By using a pwm-capable motherboard, this fan can be controlled automatically. This function allows a more flexible rpm regulation, making it more convenient for the user. With the included adaptor, the Grand Flex 120 PWM can also be used without making use of the pwm function.