Big Ass Fans' Powerfoil X2.0 increases overall air coverage

Big Ass Fans' Powerfoil X2.0 is designed to combines airfoils and winglets with AirFence technology to increase overall air coverage. The winglets are engineered to improve airfoil effectiveness by eliminating turbulence at the tip, while the AirFence is built to capture air that would otherwise slip off the end of the airfoil.
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