Marketing InformationThis fan blade replacement is among the most prevalent axial impellers found across North America. Engineered to rotate counterclockwise (CCW), these ProTech® blades offer extensive customization options to suit diverse project requirements for heating and cooling systems. Crafted from durable galvanized steel and aluminum, these metal blades for fans ensure longevity. Common uses for a blade fans include AC condensers, heat pump systems, ventilation units, pool heaters and beyond.