Atlantic Blowers' AB-302 Three Phase/Double Stage Regenerative Blower can be used for various pressure or vacuum applications. The AB-302 produces a maximum flow of 61 CFM. The maximum pressure and vacuum is 118 inH2O and 87 inH2O respectively.The AB-302 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 220-275Δ/380-480Y with an FLA rating of 7.0Δ/4.0Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 68 dbA. The inlet/outlet connection size is 1.50" female NPT.