Whisper wind motor delivers ultra-powerful air movement with whisper-quiet performance so you get the cooling power you want without the noise you don't;Reversible motor allows you to change the direction of your fan from downdraft mode during the summer to updraft mode during the Winter;5 barn wood/dark walnut reversible composite blades included;13 degree blade pitch optimized to ensure ideal air movement and peak performance;Installer's choiceテつョ three position mounting system allows for standard, flush or angled mounting