Exhaust Fan 1.Easy Installation 2.Mountable For Home 3.Peace of mind for many years 4.Quiet with high quality 5"120mm Square Exhaust Fan Ventilating Fan 220V MODEL NO.SIZERated Volt./ACPOWERAir DeliveryNoise(RPM)V/Hz(W)m3/mindB(A)YEF4S4" 220V/50Hz153361700 YEF5S5"220V/50Hz204.3381600 YEF6S6"220V/50Hz25 7 421600FEATURES:High precision balanced electric motor made of high performance materials ...