The W2E142-CC13-16 is a Tube-axial AC Fan with PSC motor. It features die-cast aluminium housing, sheet-steel impeller directly welded onto rotor. Air exhaust over struts Counter-clockwise direction of rotation Mounting from either face using four 4.3mm holes Electrical connection via 2 flat pin terminals 2.8x0.5mm Mounting from either face using 2 4.3mm (.169") holes Power Rating: 16 W Voltage - Rated 115VAC Size / Dimension Rectangular/Rounded - 172mm L x 150mm H Width 38.00mm Air Flow 175.0 CFM (4.90m³/min)