Features: 1.USE with CONFIDENCE: The cooling fan is 172 x 150 x 38mm / 6.8 x 5.9 x 1.5in, the airflow is 176CFM, the noise is 50 decibels, and the speed is 2700 rpm 2.REPLACEMENT PARTS: The cooling fan is specially designed for projects that require cooling or ventilation, or as a replacement fan for various products 3.HIGH SPEED: This model is designed to maximize airflow, but may be too noisy for some applications, please understand 4.SIMPLE OPERATION: Installation is simple and convenient, the electronics fan can be used without complicated process 5.SCOPE of APPLICATION: Used in ventilation, IT, household appliances, instrumentation, communication networks, water pumps, ovens, refrigeration and storage systems and other equipment specification:Item Type:Cooling Fan Material: Aluminum Alloy, PBT, Glass Fiber Voltage: 220V Applicable Scope: UPS Current: 0.21A Power: 40W Speed: 2700R/min Noise: 50DB Blowing Rate: 176.5CMF Bearing: Double Ball Bearing Uses: Widely Used in Ventilation, IT, Machinery, Household Appliances, Power Supplies, Welding Machines, Medicine Treatment, Instrumentation, Chassis, Cabinets, Communication Networks, Electric Heating, Water Pumps, Fans, Fireplaces, Ovens, Disinfection and Fresheners, Humidifiers, Freezers, Freezing and Storage Systems, Dryers and Other Equipment Product Size: Approx. 172 x 150 x 38mm / 6.8 x 5.9 x 1.5in PackageList:1 x CoolingFan NoteHigh Speed: This Model is Designed to Maximize Airflow, but May Be Too Noisy for Some Applications.