The Multi-Wing H Series fans feature an airfoil profile blade that achieves greater performance and lower noise levels that conventional one-piece, injection molded or metal stamped fans. The fans are made from injection-molded engineered thermoplastic or cast aluminum blades and pressure die-cast aluminum hubs. The fans are high strength, lightweight and corrosion resistant. Diameters range from 7- to 29-in. A variety or materials, configurations and pitches angles are also available.

Crowley Co., P.O. Box 425, Burton, OH 44021; 800/311-8465; fax 440/834-0449.