Marketing InformationThese fan blades for replacement are widely recognized as the predominant axial impeller in use throughout North America. Designed for counterclockwise rotation (CCW), these ProTech® replacement fan blades offer extensive adaptability to meet various project specifications. Constructed from galvanized steel and aluminum, these fan blades are built for lasting durability. Typical applications for this fan blade encompass residential air conditioning condensers, heat pumps, residential ventilation systems, pool heaters and more.