250hp Spencer Blower, 3500 rpm, 230 / 460v, 572 / 286 amps, serial # 274942, 9600 CFM, Toshiba Induction Motor included, 3.75 PSI diff press, 12.45 PSI inlet press.

Gardner Denver Blowers, Model 65208B, Hoffman 752 Frame, all cast centrifugal built with the highest quality materials, Flow Range 3,250 - 10,013 CFM, Pressure 1 - 19.3 PSIG, Vacuum 2 - 17 InHg, speed 4250 rpm.