... long service life 3)Large air volume , low temperature ris FS8 Series Stand Powerful Fan(Expert Type)(20",24",26",30 ... hall ect ModelDiameterVoltageFrequencyPowerSpeedAir VolumeNoiseN.WFS8-50500MM22050130W14001707316kgsFS8-60600MM22050150W14001857619kgsFS8-65650MM22050230W14002058020kgsFS8-50750MM22050280W14002908624.5kgs FS8 Series Stand Powerful Fan(Expert Type)(20",24",26",30 ...