Atlantic Blowers' AB-702 Three Phase/Double Stage Regenerative Blower can be used for various pressure or vacuum applications. The AB-702 produces a maximum flow of 155 CFM. The maximum pressure and vacuum is 201 inH2O and 169 inH2O respectively.The AB-702 has a power output of 6 HP (4.6 kW) with speeds of either 3000 or 3600 RPM (50/60 Hz dual frequency). The voltage is 220-275Î”/380-480Y with an FLA rating of 16.2Î”/9.3Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 74 dbA. The inlet/outlet connection size is 2.00" female NPT.