Unused 1,285 SCFM positive displacement blower manufactured by Aerzen, Model #EM-60S. Driven by 125 HP electric motor. Design suction pressure of 14.6 PSIA and specified discharge pressure of 12.5 PSIA. Estimated weight of 5,000 lbs. Tag #19-C-051B. Part of Package #19-PK-051. Previously designated as Aerobic Reactor Blower.