mike, that is a good suggestion! i actually saw that in a ww magazine, where the person had built a box around it and hung it from the roof.
now that you mentioned it, i think i will try that out. its definately worth a try to see how good it works.
i would imagine the filters going behind the blades, so that the dirty air doesnt make it into the fan and onto the blades. from what i remember, the article had them on both sides of the box.
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