Delta AFB0512HHB 3-PinDimensions: 50x50x15 MMVoltage: DC 12VOperating Voltage: DC 7V ~ 13.8VInput Power: 1.56WSpeed: 6400 RPMAir Flow: 16.24 CFMNoise: 36 dBABearing: BallFeature: Speed Sensor (Tach Output)Termination: 3-Pin / 3-Wire / 12.5-InchTermination: Standard 3-Wire / 12-Inch. Custom Connector Available