The 4600X is an AC Axial Fan with external rotor motor is integrated directly into the axial impeller, forming a compact axial fan unit. The axial fan prove their reputation as space-saving wonders by moving air for hot or cold air exchange in a wide variety of devices and systems. The outstanding feature of axial fan is small installation depth, low noise level and exceptional efficiency and is particularly well suited for air flow through heat exchangers. Impedance protected against overloading Metal fan housing and impeller Air intake over struts Rotational direction CW looking at rotor Voltage - Rated 115VAC Size / Dimension Square - 119mm L x 119mm H Width 38.00mm Air Flow 106.0 CFM (2.97m³/min) Noise 50.0 dB(A) Power (Watts) 18.00W Speed: 3100 RPM Fan housing with ground lug for screw M4 and UNC Sintec type of bearing