Atlantic Blowers' ABAF-12-220 Three Phase Axial Fan can be used for various low pressure, high airflow applications. The ABAF-12-220 produces a maximum flow of 2719 CFM. The maximum pressure is 1.8 inH2O. The ABAF-12-220 has a power output of 0.67 HP (0.5 kW) with speeds of either 3000 or 3600 RPM (50/60 Hz dual frequency). The voltage is 220V-275V. Measuring at a distance of 3 ft. the fan will produce a noise level of 69 dbA. The impeller diameter is 12".