Features:1. Higher air flow to enhance cooling performance.2. Economic solution for perfect performance.Specifications:Dimension: 210 x 210 x 72mm / 8.27 x 8.27 x 2.83 inch(L*W*H) Mounting Hole Distance: 166 x 166 mmVoltage: DC 220VRated Current: 0.45AInput (Watt): 65WSpeed (R.P.M.): 2600 R.P.M. (+ / - 10%)Air Flow(Approxi.) : 459 m³/hBearing Type: Dual BallAvailable Color: BlueWeight:1285g