1608KL-05W-B59 NMB DC FAN 40*40*20mm ,Size(MM) 40*40*20,AC/DC DC,Voltage(V) 24,Operating Voltage(V) 20~25.2,Current(A) 0.08,Power(W) 1.92,Speed(RPM) 8500,Max Air Flow(m3 /min) 0.27,Max Air Flow(CFM) 9.5,Max Static Pressure(Pa) 69.4,Max Static Pressure(In H2O) 0.28,Noise(dB) 33,Weight(g) 25