... Amp:0.20-0.28 ASpeed : 5000-7500 rpmAir Flow: 5.18-8.28 CFMStatic Pressure:2.73-6.22 ... , electronic products ,automobile electronic equipment switch, medical equipment, heater, air conditioners, inverter welding machine, automated teller machines, car freezers induction ... we choose the one with higher air flow and higher Static pressure. 2.when the air flow reach the cooling demand,we choose the ...