Fans And Blowers High Pressure/FD Fan Air Flow – 150 CFM to 70,000 CFM Static Pressure – 150mm to 1600mmWG Motor Power – 0.5 hp to 100 hp ID & FD/Belt Drive Air Flow – 3000 CFM to 1,50,000 CFMStatic Pressure – 80mm to 350mmWGMotor Power – 2 hp to 150 hp Impeller General