When the power input voltage is 5v, the fan can be work very quiet and silent, minimal noise ventilation system axial fan with higher air flow to enhance cooling performance. And has passed CE, UL and RoHS certification.
Square compact axial fans have a square-shaped housing that can span a round cutout or fit into a square cutout for cooling equipment within an enclosure. Each item will be tested carefully and packed tightly before shipping out; certified by CE, UL, and RoHS.
Standard round axial fans are used in dry locations to cool equipment within an enclosure. These equipment-cooling fans have a round housing that fits into a circular cutout for installation.
The ventilation cross flow fan has a strong power motor, and the metal fan blades have large air volume, uniform inlet and outlet air, wear resistance, high temperature resistance.