HEAVY DUTY THREE WING CONDENSER FAN BLADES CAN BE USED IN AIR CONDITIONING AND HEATING APPLICATIONS. HEAVY DUTY THREE WING CONDENSER FAN BLADES HAVE A STURDY CONSTRUCTION FOR LONG LASTING DURABILITY AND STRENGTH. ROTATION IS CLOCKWISE AND RPM RANGE FROM 400 TO 1140. BLADE WEIGHT BLADE DEPTH PITCH AND OTHER DIMENSIONS VARY. L TYPE BUSHING NEEDED.