Voltage - Rated 48VDCSize / Dimension Rectangular/Rounded - 172mm L x 150mm HWidth 50.80 mmAir Flow 527.5 CFM ( 14.93 m³/min)Static Pressure 3.780 in H2O ( 941.6 Pa)Bearing Type BallFan Type TubeaxialFeatures PWM Control; Speed Sensor (Tach) Noise 77 dB (A)