1.8" 10" 12" 16" size 2.elegant chic axial flow fan 3.low noise,large wind,high speed 4.durable ... solid,long life use Low Noise High Speed Axial Flow Fan: ModelSizeFlow-rateSpeedVoltagePowerNoisePackage inchm3/minr/minV/Hzwdb(A)1KH208"8401400220 ... 1.Optizization desigh,Excellent performance,Energy saving,Great power and flow noise.2.Ventilated and air change well,Heat prevention,Elegant ...