Atlantic Blowers' AB-102 Three Phase/Double Stage Regenrative Blower can be used for various pressure or vacuum applications. The AB-102 produces a maximum flow of 61 CFM. The maximum pressure and vacuum is 59 inH2O and 40 inH2O respectively.The AB-102 has a power output of 0.67 HP (0.5 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 2.3Î”/1.3Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 68 dbA. The inlet/outlet connection size is 1.25" female NPT.