Noiseblocker NB-eLoop B14-PS 140mm 4Pin PWM Fan, 300-1200RPM, 83.92CFM, 24.28dBA

The first high-tech compact fan worldwide with a bionic loop rotor. NB-eLoop fans stand out due to the bionic loop form and are superior to common axial fans in almost all respects. It reduces the noises caused by the air stream in the fan dramatically. At the same time, the effectively usable performance increase with reduced energy use. With ly developed high-tech bearing and engine technology, eLoop series features dust protected engine and bearing, anti-dust-Macrolon rotor, position invariant magnetic bearing making this the most advanced fan in the world.