SSan Ace 92 9HV High Static Pressure DC Fans deliver a maximum static pressure of 1.12inch H2O and a maximum airflow of 118 CFM. These fans are available with a rated voltage of 12VDC, 24VDC, or 48VDC and come in two sizes 92mm x 92mm x 25mm and 92mm x 92mm x 38mm. The DC Fans feature a PWM control function to control fan speed, lower noise, and improve energy efficiency. The San Ace 92 9HV high static pressure fans are designed for cooling high-density equipment such as projectors, digital signage, networking and telecom equipment, and medical devices.