AirFlo Tube Axial Duct Fan 30 inch 16000 CFM 3 Phase Direct Drive ND30-H-3-T
National Fan Co.NFC-ND30-H-3-T
AirFlo Tube Axial Duct Fan 30 inch 12000 CFM 3 Phase Direct Drive ND30-G-3-T
National Fan Co.NFC-ND30-G-3-T