Greenheck Model GB-480-50-X Downblast Centrifugal Roof Exhaust Fan Ventilator, 48" fan, 5hp electric motor, approximately 60" x 60" base Each unit weighs 623 lb. (A pair of 12" high roof curbs included
25,000 CFM Greenheck Tube Axial Upblast Roof Fan Exhauster TAUB 48H-50 for Sale | Buys and Sells - JM Industrial
Greenheck HVAC & Refrigeration Fans & Blowers for sale | eBay
Ceiling Exhaust Fans | Browse Parts by Product Model | Greenheck