The 4412F/2M-504 is a 12VDC 119mm Compact Fan only operates when the polarity is correct with Sintec sleeve bearing and wire leaded power connection. Fan of fibreglass reinforced plastic, PBT housing, PA impeller. Air exhaust over struts air flow direction. Counter-clockwise direction of rotational looking at rotor. Fitted with 3-pin Molex connector and sensor signal for speed monitoring.