Airflow 2.74-4.57cfm Pressure 4.61-12.80mmh2o Lifetime 40,000 Hours/40 Degree Product Description Product Description Size: 55x55x12mm Voltage: 5v/12v/24v Bearing: ball/cycleseal bearing Speed:3000-5000RPM Function: Auto-restart, FG, PWM, RD Certificate: CE, TU...