Atlantic Blowers' ABC-301 Single Phase/ Single Stage Centrifugal Blower can be used for various low pressure, high airflow applications. The ABC-301 produces a maximum flow of 529 CFM. The maximum pressure is 9.6 inH2O. The ABC-301 has a power output of 1 HP (0.75 kW) with speeds of either 3000 or 3600 RPM (50/60 Hz dual frequency). The voltage is 110-120/220-240 with an FLA rating of 15.6âˆ†/7.8Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 80 dbA. The inlet size is 5" and the outlet size is 4".