Atlantic Blowers' AB-301 Single Phase/Single Stage Regenerative Blower can be used for various pressure or vacuum applications. The AB-301 produces a maximum flow of 110 CFM. The maximum pressure and vacuum is 80 inH2O and 72 inH2O respectively.The AB-301 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 110-120Î”/220-240Y with an FLA rating of 23.0Î”/11.5Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 70 dbA. The inlet/outlet connection size is 2.00" female NPT.