The Sinwan SD4010-12H Brushless DC Axial Fan with Ball Bearings is a high-quality cooling solution designed for industrial and commercial applications. With a brand name of SINWAN, this fan operates on 12V DC power and features ball bearings for smooth and efficient operation. The unit quantity of 83 fans ensures that you have an ample supply for your project or business needs. Ideal for use in various electrical equipment and supplies, this brushless DC fan offers reliable performance and durability.