DC brushless fan, driven by bldc motor, a close relationship between voltage and adjustable speed. It is widely used in computer and home electric appliance due to its accurate speed adjustment, high power, low noise and low vibration. Model Rated VoltageOperation VoltageRated CurrentRated SpeedAir SpeedStatic PressureNoiseBering System(V)(V)(mA)(RPM)(CFM)(mmH2O)(dBA)YHWF-0309L1210.2 13.810006000804.3238Two BallYHWF-0309H1211006500854.842Two BallYHWF-0309M241200550078.2648Two Ball We can develop this crossflow fan if the user requires the non-standard specification.