4 Blade, Interchangeable Hub, Condenser (Pressure) Type Fan BladeBlades: 4Rotation: CounterclockwiseDiameter: 14 InchesPitch: 23°0 Inches Static Pressure: CFM = 1000, BHP = 0.0430 Inches Static Pressure: CFM = 400, BHP = 0.06Maximum RPM: 1725Typical Applications: Air-Conditioning Condensers, Power Roof Ventilators, Heat Pumps, Heat Exchangers, Unit Heaters, Industrial Equipment