The RAM 400mm (16″) wall fan is the ideal unit for a grow room. The oscillating fan comprises 16″ blades and 3 speed settings. The unit includes pull cords and will automatically restart after the power is interrupted. The wall fan is perfect to recirculate the air in the grow room and prevent hot or cold spots. The unit has a 40W power consumption and runs on a voltage of 220-240V/50Hz.