Exhaust Ventilator, Axial Direct Drive Downblast, CFM @ 0.000-In SP 550, @ 0.125-In SP 465, @ 0.250-In SP 347, 13.2 Sones @ 0.250-In SP, Roof Or Wall Mounting Location, Base Width 19 In, Base Length 19 In, Overall Height 17 In, Max Inlet Temp 120 F,...