Lau’s 4-blade free air propellers are designed for free air, low pressure applications. They are constructed of high quality, rounded aluminum blades for maximum free air delivery with minimum noise levels. Pitches are available for most common HP and motor speeds and the hub location is interchangeable.
Applications: Pedestal & Window Fans, Air Circulators
Our 4-blade heavy-duty condenser style propellers are constructed of high strength aluminum blades with corrosion-resistant spiders.
Applications: Condensing Units, Building & Agricultural Ventilation Fans
We also offer 4-blade heavy duty steel propellers in 24” through 60” diameters. They are constructed of high quality, heavy duty mill galvanized steel blades with corrosion-resistant spiders.
Applications: Industrial Air Circulators, Exhaust Fans, Large Condensing Units & Agricultural Ventilation