42" Dia Tube Axial Fan - 5Hp - 3Ph - 20,000 CFM - Free Shipping
CFM: 20,000 Max CFM @. 25" Static Pressure. Fan: WingFan 9 Blade Fan With Aluminum Hub. Drive: Dual V Belt. Housing: 18 Ga Steel Housing. Height: 20". Motor Mount: 10 Ga Steel Motor Mount.