Atlantic Blowers' ABMS-600 Three Phase/ 3 Stage Centrifugal Blower can be used for various low pressure, high airflow applications. The ABMS-600 produces a maximum flow of 500 CFM. The maximum pressure is 28.1 inH2O. The ABMS-600 has a power output of 2 HP (1.5 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 5.4âˆ†/2.9Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 76 dbA. The inlet size is and the outlet size is 4".