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Box Fan With Furnace Filter On Back Pulls Dust Out Of The Air
Ryan Van Der Bill, Sioux Falls, S. Dak.: I hang a box fan in my shop with a square 1-in. thick furnace filter mounted on the back side. It pulls dust out of the air above my power saw. Its probably best to use a cheap fiberglass media filter since a better pleated filter would slow down the flow of air. Just vacuum the filter off once in a while.



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2018 - Volume #42, Issue #4