Broan L300L High Capacity Commercial Grade Ventilation Fan 293 CFM 3.1 Sons 120V, 2.6 Amps 8-Inch round duct connector 293 CFM 3.1 Sons 120V, 2.6 amps 8 inch round duct connector Single, impact resistant centrifugal blower wheel 20 gauge galvanized steel housing Can be ducted horizontally or vertically