Supply Ventilator Centrifugal Belt Drive 11080 CFM @ 0.250-In SP 34 Sones @ 0.250-In SP Mounting Location Roof Housing Height 46 In Housing Length 46 In Housing Width 84 In Base Width 44 1/2 In Base Length 44 1/2 In Motor Voltage 208-220/440 3 Phase Motor HP 5 Fan RPM 642 Wheel Dia 20 1/2 In Discharge Length 25 3/8 In Discharge Width 23 In Bearing Type Regreaseable Pillow Block Requires Roof Curb For New Installations Includes Washable Aluminum Filters