Unused Twin City Size 921 carbon steel blower

Unused Twin City Size 921 carbon steel blower.  Shop Order No. 241322.  Type RBA-SW ARR9R CL32.  S/N 07-241322-3-1.  Flow rate 4.94 cu m/s, S.P. 5719 pa.  Density 1.2014 kg/cu.m  Performance: Density 0.075 lb/cu. Ft, CFM 10464, S.P. 2.3, RPM 1780, B.H.P. 54.41, O.V. 4813, Temp. 70.  Powered by TECO 50 HP 3/50/200-400 volt motor.  Rotation CW.  Inlet 20.5" diameter , Outlet 16" X 20".  Built 2007.  Weight 3020#. FOB: Wilmington, NC