Rheem-Ruud 70-21858-12 2-Fan Blade CCW 18" DIA 27° 1/2"

The Rheem-Ruud 70-21858-12 is a high quality two-fan blade which is used in the improvement of air flow within the HVAC systems. It has a diameter of 18 inches and blade pitch of 27 degrees which makes the fan blade to rotate in a counter clockwise direction for optimum cooling. This is because the bore diameter is 1/2" and therefore the unit can fit tightly in units that are appropriate. This fan blade is perfect for those used in furnaces and air conditioners as it improves the flow of air and the cooling ability thus making your HVAC system more efficient.