4 Blade, Interchangeable Hub, Condenser (Pressure) Type Fan BladeBlades: 4Rotation: ClockwiseDiameter: 16 InchesPitch: 23°0 Inches Static Pressure: CFM = 1630, BHP = 0.0930 Inches Static Pressure: CFM = 1030, BHP = 0.12Maximum RPM: 1725Typical Applications: Air-Conditioning Condensers, Power Roof Ventilators, Heat Pumps, Heat Exchangers, Unit Heaters, Industrial Equipment