DC blower fan applied to medical equipment like CPAP,fuel cell,etc. Voltage: 12VDC / 24VDC; Speed: 20,000 rpm; DC blower fan applied to medical equipment like CPAP,fuel cell,etc.Size: D: 92mm; H: 50mmvoltage: 12VDC / 24VDC;Phase: Three;Speed: 20,000 rpm;Air flow max: 1100L/min;Air pressure max: 62cm;Hall sensored / sensorless; DC blower fan