90mm Waterproof EC CPU Cooling Fan Product Details: 9225 EC FAN Electric Current Type:EC Mounting: Free Standing Place of Origin: Shandong, China (Mainland) Brand Name: Tongxin Model Number: TX9225 Product name: EC FAN Size: 92X92X25mm Power supply: 115V/230V Bearing Type: Sleeve Bearing/Ball Bearing Material: Plastic Blade/Plastic Frame Motor: Copper Motor Current: 0.03~0.06A Air Pressure: 1.5~3(H2O) Noise: 25~33DB(A) Power:3~6W Air Volume: 39.4~55.2CFM 9225 DC Speed: 2000~2800RPM Certification: CE, ISO9001 After-sales Service Provided: Video service provided 9225 EC Fan Life: 30000 hrs Warranty: 12 months Application: medical equipment,humidifier etc.