Evercool EC7010HH12CADimensions: 70x70x10 MMVoltage: DC 12VCurrent: 0.31AInput Power: 3.72WSpeed: 4500 RPMAir Flow: 28.83 CFMNoise Level: <39 dBABearing: BallFeature: Speed Sensor (Tach)Mounting Style: Rib Type, CounterboreTermination: 3-Pin / 3-Wire