Atlantic Blowers' AB-70 Three Phase/Single Stage Regenerative Blower can be used for various pressure or vacuum applications. The AB-70 produces a maximum flow of 18 CFM. The maximum pressure and vacuum is 22 inH2O and 21 inH2O respectively.The AB-70 has a power output of 0.16 HP (0.12 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 0.9Î”/0.5Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 51 dbA. The inlet/outlet connection size is 1.00" female NPT.