Atlantic Blowers' ABMS-800 Three Phase/ 5 Stage Centrifugal Blower can be used for various low pressure, high airflow applications. The ABMS-800 produces a maximum flow of 589 CFM. The maximum pressure is 44.2 inH2O. The ABMS-800 has a power output of 5 HP (3.7 kW) with speeds of either 3000 or 3600 RPM (50/60 Hz dual frequency). The voltage is 220-275/380-480 with an FLA rating of 13.2âˆ†/6.7Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 80 dbA. The inlet size is and the outlet size is 4".