Features: 1.[Specially Designed] This cooling fan is specially designed for projects that require cooling or ventilation, or as a replacement fan for various products, with stable performance. 2.[High Speed] Double ball bearings are adopted to maximize airflow, silent operation, with simple operation, just install it and use the fan, and the aluminum shell is sturdy and durable. 3.[] The size of the cooling fan is approx. 172 x 150 x 51mm / 6.8 x 5.9 x 2.0in, the airflow is 275CFM, the noise is 50dB, the working speed is 3000R/min, and the power is 34W. 4.[Long Service Life] The service life of the double ball bearing is up to 67,000 hours, you can use it for a long time. There are 2 ways to place it, can be placed flat or upright. 5.[Widely Used] This cooling fan is widely used in ventilation, machinery, household appliances, power supplies, welding machines, chassis, cabinets, communication networks, electric heating, water pumps,etc. specification:Item Type: Cooling Fan Material: Aluminum Alloy, PBT, Glass Fiber Size: Approx. 172 x 150 x 51mm / 6.8 x 5.9 x 2.0in Voltage: 24V Current: 1.7A Power: 34W Speed: 3000R/min Noise: 50DB Airflow Volume: 275CMF Operating Temperature: -10-70 Bearing: Double Ball Bearing Uses: Our Products Are Widely Used in Ventilation, IT, Machinery, Household Appliances, Power Supplies, Welding Machines, 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 PackageList:1 x Cooling Fan NoteThis model is designed to maximize airflow, but may be too noisy for some applications.