Downblast Ventilator Less Drv Pkg Drive Type Belt Wheel Dia 33-1/2 In. CFM Range 10 024 to 16 908 @ 0.0 in SP RPM Range 415 to 700 Motor HP Range 1 to 5 Base Width 46 In. Mounting Location Roof Base Length 46 In. Base Height 1-3/4 In. Overall Dia 58-3/4 In. Overall Height 38-1/2 In. Shaft Dia Wheel End 1-1/4 In. Shaft Dia Sheave End 1-1/4 In. Bearing Type Regreasable Pillow Block Max. Inlet Temp 180 Degrees Housing Material Spun Aluminum Wheel Material Aluminum